A circle has an area of 324π cm2. What is the radius?

a.

18 cm

c.

18π cm

b.

36π cm

d.

36 cm

Evaluate the expression. a + b/c, when a = 24. b=36. c=4. thx

How many times greater is 550,000 than 5000?

An ant crawls at a rate of 2 1/6 feet per minute. At this rate, how long does it take the ant to crawl a distance of 5 1/5 feet? Enter your answer as a mixed number in simplest form in the box.

An airplane flew 4 hours with a 25 mph tail wind. The return trip against the same wind took 5 hours. Find the speed of the airplane in still air. This similar to the current problem as you have to consider the 25 mph tailwind and headwind.

Imagine you are studying a population of finches on one of the Galåpagos Islands. You have been recording many of the birds' physical traits, including the length of both wings.

What is the product? - 3 4 2 - 5 3 - 2 1 0

Sahir took 1 h 22 min to do his english homework 45 min to do his maths homework, and 10 min to do his urdu. How long did he take to complete all his homework?

Y=3x-16 rate of change?

Julissa has 15 stamps and Ethan has 14 stamps. Pawel has three times the number of stamps as Julissa and Ethan combined. Julissa thinks that 100 is a reasonable estimate for the number of stamps that Pawel has.

What is the value of 0.77 in the tenth place