a train leaves little rock, arkansas and travels north at 70 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are at 450 kilometers apart

What is the solution of the equation (4x + 3) 2 = 18? x = StartFraction 3 Over 2 EndFraction and x = - 3 x = StartFraction negative 3 Over 2 EndFraction and x = 3 x = StartFraction negative 3 + 3 StartRoot 2 EndRoot Over 4 EndFraction and x =

27 is 144 percent of what

A grocer has two kinds of candies, one selling for 40 cents a pound and the other for $1.40 per pound. How many pounds of each kind must he use to make 100 pounds worth 85 cents a pound?

The ratio of girls to boys in a gardening club was 3:4. There were 24 boys. How many girls were there in the club? Show your work.

Sally's dog boarding service currently has 4 Great Danes, 6 golden retrievers, 20 mastiffs, and 12 Doberman Pinschers. What is the ratio of mastiffs to the total number of dogs at Sally's boarding service? A) 10:21 B) 9:21 C) 21:10 D) 21:9

An angle whose measure is 40° is in standard position. In which quadrant does the terminal side of the angle fall?

Find the product of 5,295 and 9

How much is three shirts if you spend 26.79

Molly can make 4 pancakes in 6 minutes what is her cooking rate in pancakes per hour?

What are the zeros of x (squared) + 2x + 3 in imaginary form