Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?. A. 87. B. 95. C. 85. D. 92

How to write 0.624 in expanded form

Drums can be used to communicate. If a drummer beats his drum 240 times in a message, how many drum beats will be made if he plays the message twice.

How to simply - 9 over 12

A pole that is 2.5m tall casts a shadow that is 1.69m long. At the same time, a nearby building casts a shadow that is 50.5m long. How tall is the building? Round your answer to the nearest meter.

A carbon nanotube is a thin cylinder of carbon atoms that, pound by pound, is stronger than steel and may one day be used in clothing. With a diameter of 6.0*10^-10 in., a fiber can be made 200yd long. Find the volume of such a fiber.

the width of a rectangle is 3cm less than the length. The area of the rectangle is 54cm^2. find the width and length

Combine like terms: 16y+8x-7*+8y-2y^2=

Events A and B are independent. find the missing probability P (A) = 1/4, P (B) = 3/5, P (B I A) = ?

Meal tickets at the circus cost $4.00 for children and $12.00 for adults. If 1,650 meal tickets were bought for a total of $14,200, how many children and how many adults bought meal tickets?

As 9 hundreds is 9thousands