In the dental industry, light-activated adhesives have been used for decades to adhere braces to teeth as well as being used in other dental procedures. these adhesives are one-part translucent polymers that cure and harden when exposed to specific light spectrums. many of these took up to 30 seconds to cure. new technology brings led blue light curing which uses blue led with uv light to cure and harden a light-activated adhesive in 3-5 seconds. which result below would not be an advantage of this new technology? a) there is a higher up-front expense. b) could be used in other areas such as sealing cracked pipes. c) no filters or cooling fan required due to quick curing and low heat emission. d) there is a major time savings when using the faster high–intensity curing lights.

Write a grading program for a class with the following grading policies: a. there are two quizzes, each graded on the basis of 10 points. b. there is one midterm exam and one final exam, each graded on the basis of 100 points. c. the final exam counts for 50% of the grade, the midterm counts for 25%, and the two quizzes together count for a total of 25%. (do not forget to normalize the quiz scores. they should be converted to a percentage before they are averaged in.) any grade of 90 or more is an a, any grade of 80 or more (but less than 90) is a b, any grade of 70 or more (but less than 80) is a c, any grade of 60 or more (but less than 70) is a d, and any grade below 60 is an f. the program will read in the student’s scores and output the student’s record, which consists of two quiz and two exam scores as well as the student’s average numeric score for the entire course and final letter grade. define and use a structure for the student reco

An environmental protection agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions. at 0.01 significance level, can we conclude that there is a positive association between the variables? what is the p value? interpret.

Ingrid started speaking about her slide presentation. when she clicked to th"third slide, which had just a picture of an elephant, she forgot what she wassupposed to talk about. what could ingrid do to avoid this situation in thefuture? oa. print handouts for her audience.ob. add presenter's notes to each slide.oc. add a video to each slide.od. save her slide presentation to a flash drive