Find the difference 18-15

Y varies inversely with x. if y = 40 when x = 16, find x when y = -5

True or false 12. The set of good students in our class is a well defined set

What is the difference between the 8th multiple of8 and the 5th multiple of 8

You are fencing a rectangular puppy kennel with 25 ft. of fence. The side of the kennel against your house does not need a fence. This side is 9 ft. long. Find the dimensions of the kennel.

At a certain vineyard it is found that each grape vine produces about 10 lb of grapes in a season when about 500 vines are planted per acre. for each additional vine that is planted, the production of each vine decreases by about 1 percent.

If it is 9:00 am in eastern Nebraska (NE), what time is it in Utah (UT) ?

Use the digits 1,3,5, and 7 to create two whole numbers whose product is estimated to be about 600

A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate

A basket of beads contains eight red beads six yellow beads and six green beads. A bead will be drawn from the basket and replaced 150 times. What is a reasonable prediction for the number of times a green bead is drawn?

How many different 10-letter code words can be constructed from the English alphabet?