Your friend says that the volume of a sphere with radius r is four times the volume of a cone with radius r. When is this true? Justify your answer.

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Martha paid $42.40 for her sister's birthday present. This included 6% sales tax. What was the cost of the gift before tax? A. $44.94 B. $40.00 C. $25.44 D. $2.40

Express each equation in the form y = mx + b: 5x + y - 3 = 0

5 + (-8) n = 29 is 3 a solution to the equation

What is 3.8 greater than or equal to b plus 4?

A sweater was marked up from $40 to $50. If p is the percent increase in the price of the sweater, which proportion can be used to calculate p? A. B. C. D.

Victor has a credit card with an APR of 13.66%, compounded monthly. He currently owes a balance of $1,349.34. Assuming that Victor makes no purchases or payments, how much will he owe after one year, to the nearest cent?

A bag contains 3 blue cards, 8 green cards, 12 red cards, and 4 yellow cards. You randomly choose a card.

Is 48 inches lesser than 2 yards and is 2 yards lesser than 7 yards

Two bird sit at the top of two different trees the distance between the first bird and a bird watcher on the ground 29.7 the distance between the bird watcher and the second bird is 42.