The value of ratio to determine which are equivalent to 7:15?

A. 21:45

B. 14:45

C. 3:5

D. 63:135

If it takes 5 people 5 minutes to make 5 pencils, how long would it take 100 people to make 100 pencils?

F (x) = 2-x^1/2 g (x) = x^2-9 what is the domain of g (x) : f (x)

How do I simplify an algebraic expression? Ex. 9m-7m+2m

Perform the indicated operation 5/4 + 7/9

675 uniforms were bought for the three grades in an elementary school. The ratio of the number of first graders to the number of second graders to the number of third graders is 2:4:3 Each uniform for first graders cost $35, while each uniform for

You are trying to order 14 pound of saffron, but the ordering system wants a decimal.

Solve the system by substitution verify your solution by checking that it satisfies both equations of the system y=2x 3x-y=15

the total amount of flour in a bakery after receiving new stock equal to 3/10 of its current stock (x)

Last week, about 621,860 viewers watched a television show on sharks. what is the greatest whole number that rounds to 621,860?

If two squirrels live in one square m of a 50 square m park, what is the park's estimated squirrel population