Mary decreased her time for the mile walk from 30 minutes to 24 minutes. What was the percent of decrease? A. 32%
B. 20% increase
C. 20% decrease
D 88%

1. are the triangles similar and if so why? what is the value of x? show your work.

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Taylor wants to paint his rectangular deck that is 41 feet long and 24 feet wide. a gallon of paint covers about 350 square feet. how many gallons of paint will taylor need to cover the entire deck? round your answers to two decimal places when necessary.