2. write the algebraic phrases that correspond to the following word phrases.
(a) the sum of three times the opposite of a number and 7
(b) the product of 4 and the sum of 5 times a number and 3

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?