You roll a number cube numbered from 1 to 6. What is the probability that the number is a composite number?
(Answers are rounded to the nearest hundredth percent.)

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.