Factor each trinomial completely.

4x^2 - 25b^2 and x^2 - 81

Each electron in an atom has a charge of - 1 and each proton has a charge of + 1. What is the overall charge of an atom that contains 2 electrons and 2 protons?

A bus makes 28 stops every 2 hours how many stops does t make in 3 hours? 4 hours?

Sheldon bought a $20 book at a 35% discount. He wrote an expression to find the discounted price. 20-0.35 (20) Which expression is equivalent to discounted price Sheldon paid? A (1-0.35) 20 B (1+0.35) 20 C (20-0.35) 20 D 20+0.35 (20)

What is the distance between - 3 and 1 on the number line

What is - 4 2/5 : (-5) ? A. - 22/25 B. - 8/25 C. 8/25 D. 22/25

Solve the equation 46p-14=36

Yumi wants to make 12 cups of party mix using candies and nuts her budget require the party mix to cost her $1 29 per cup. The candies are $ 2.49 per cup and nuts are 0.69 per cup how many cups of candiez and how many cups of nuts

Simplify. 3/5 + (-1/4) over 7/10 Enter your answer, in simplest form.

Where is the x-axis on a typical x-y grid?

Bryce drove 200 miles to his grandparents house this is 50 miles more than three times the distance to Aunt Lance a house what is the distance to hisaunt lance house?