7x (45 + 21x) is what I'm looking for

The gasoline gauge on a van initially read one fourth 1 4 full. when 1010 gallons were added to the tank, the gauge read two thirds 2 3 full. how many more gallons are needed to fill the tank?

Your model locomotive is 18 inches long. It is an exact model of a locomotive that is 72 feet long. A window on the locomotive is how many times wider than a window on the model?

How to write 9 thousands 3 hundreds 4 ones

Clark left for school at seven fourty three am he got to school thirty six minutes later what time did he get to school

1 yard is blank times as long as blank foot

If the bucket was 4/5 full at the beginning of the day and 1/5 full at the end of the day, by what fraction of the bucket did the water level decrease?

123 and which term are like terms?

The length of a rectangle is four times the width. If the width is represented by x, then write an algebraic expression that describes the length.

You roll a number cube. What are the odds that you will roll an even number?

What is the additive inverse of the polynomial 9xy^2 + 6x^2y - 5x^3? A. 9xy2 - 6x2y + 5x3 B. 9xy2 - 6x2y - 5x3 C. 9xy2 + 6x2y + 5x3 D. 9xy2 - 6x2y + 5x3