A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have an average of 80?

73. 87, 85, 70

A copper wire was 240 meters long. After 60 meters was cut off, it was double the length of a steel wire. How much longer was the copper wire than the steel wire at first?

Suppose the probability of rain is 25%

Which unit is most appropriate for measuring the amount of liquid you drink in a day?

Choose the property that justifies the outcomes. 5 (3*8) = 15*8 Associative Property of Addition Additive Inverses Commutative property of Addition Multiplicative Inverses Distributive Property Associative Property of Multiplication

Solve these equations 200*10=2,000 200*100=? 200*1,000 part b 200*0.1=? 200*0.01=? 200*0.01=? 200*0.001=?

What are two factors of 36 that add up to 15

Write the ratio as a fraction in lowest terms 17 minutes to 2 hours

The expression 24 (1-x) gives the discounted price of a pair of shorts, where x is the percent of the discount written in decimal form. What does 1-x represent in the expression?

To estimate the height of a tree, a geometry student measures the shadow of the tree that is 30 feet from the base tree. They place a steak at the top of the Shadow. The student is 4 feet from the stake, and the students height is 5.

What is the cube root of 7/6?