While mining, Benny found a large metal bar that weighed 40 ounces. Benny was also able to determine that the bar contained 35% copper. How many ounces of copper are in the metal bar? Round your answer to the nearest whole number if necessary.

Mrs. Hunt bought 6 spools of thread. Each spool of indigo thread is 10 metres long and each spool of red thread is 4 metres long. If Mrs. Hunt bought 30 metres of thread in total, how many rolls of each colour did she buy?

Are 37,65,71,82 prime numbers or composite

What is 8 divided by 3/5

What error did zacharias make?

4 freshman boys, 6 freshman girls, and 6 sophomore boys go on a trip. How many sophomore girls must join them if a student's gender and class are to be independent when a student is selected at random?

The cross section of a metal ingot is is a trapezoid the cross-section of an area of 39 square centimeters the top base of a cross section is 12 CM the length of the bottom base is 2 cm greater than the top base how tall is the Metal Ingot. explain

17=14 3/4 + 1/6 + missing number

The world record for the women's 3,000-m steeplechase is 9 min 1.59 s. Find the runner's speed in meters per second. Round answer to the nearest hundredths.

A rectangle has an area of 85 square cm. If the length is 2 more than 3 times its width, find the dimensions of the rectangle

If arrivals occur at a mean rate of 3.6 events per hour, the exponential probability of waiting more than 0.5 hour for the next arrival is: