Which is an example of an algebraic expression?
a. d - 90
b. 55 + v > 60
c. d < 7
d. a + 5 = 72

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

A+b= 17, ab=70, find the value of |a-b|