The population of a small town increased by 25% two years ago and then decreased by by 25% last year. The population is now 4500 persons. What was the population before the two changes?

There are different ways to think about 2 3/4 - 1 1/4 Select three ways to find 2 3/4 - 1 1/4

What is the proper name of the quadrilateral

How often are parallel line coplanar

X=7^y how can you rewrite this equation in y = form?

Elysse paid for her lunch with a $10 bill and received $.063 in change. The lunch special was $7.75. Sales tax was $0.47. What was the cost of her drink?

Volume is an unreliable measurement because A. there's no standard size of measuring cup or spoon. B. solids can't be measured accurately by volume. C. food expands or contracts in different temperatures. D. gas weighs less than liquid.

How to model fractions

What is (4, 9) (-6, 12) in slope intercept

Do anyone know anything about Rhombus In geometry. I need math genius.

Divide 68p in the ratio 1 : 2 : 1