Write the following proportion using colons. 7 is to 21 as 3 is to 9.

For the inverse variation equation P=8/V, what is the value of V when P = 1/4 1/32 1/2 2 32

Is it rise over run or run over rise I get it's most likely easy but I don't trust my brain.

Find the largest integer which belongs to the following interval: [-12, - 9]

A. 18 is 20 percent of what number? B. 15 is 25 percent of what number? C. 12 is 30 percent of what number? D. 24 is 40 percent of what number? E. 39 is 60 percent of what number? F.

A fish tank contains 16 goldfish and 24 guppies. If you randomly select 2 fish, what is the probability that they are both goldfish?

On Tuesday a local hamburger shop sold a combined total of 264 hamburgers and cheeseburgers. The number of cheeseburgers old was two times the number of hamburger sold. How many hamburgers were sold?

I do not understand how to simplify 5y-8x-y+12x

Four times a number is 21 more than the number

Which statement about residual plots is not true? A. if the residuals are randomly distributed, the model is probably reasonable B. The sum of the residuals is 0 C. The vertical axis shows residuals D.

Marcus is working at a local pizzeria where he makes $12.50 per hour and is also working at the university bookstore where he makes $9.50 per hour.