From the sum of a^2-2ab+b^2 and 2a^2+2ab+b^2 subtract the sum of a^2-b^2 and a^2+ab+3b^2

The difference between - 7/9 and 4/9 is A. - 1/3 B. 1/3 C. - 1 2/9 D. 1 2/9

Julie a carpenter has two measuring sticks. The length of the two measuring sticks are the two prime numbers between 4 and 10.

Sarah is filling a glass sphere with decorative sand. The radius of the sphere is 2 inches. Which is closest to the minimum amount of sand Sarah needs to completely fill the glass sphere? F.) 33.5 cu in. G.) 25.1 cu in. H.) 10.7 cu in. I.) 100.

Lora read 1/8 of a comic book in 2 days she read the same number of pages everyday what part of the book does she read in a week?

I don't understand how to do distributive

What is equal to 8/343 or the closest: 1. 2/7*2/7*2/7 then divide numerator and denominator 2. 4/7*4/7*4/7 then divide numerator and denominator 3. 1/7*1/7*1/7 the divide numerator and denominator

while visiting a friend's home, i saw kittens and children playing in the backyard. counting heads, i got 11. counting feet, i got 32. how many kittens and how many children were in the backyard?

while working at the drugstore, kurt earns $16 per hour. After spending 2 hours at working at the drugstore, how much money will kurt earn

The sandbox at a local playground is shaped like a square. The length of one side of the sandbox is 8 ft. What is the area of the sandbox, written as an expression with exponents?

Perform the indicated operation. x^2-y^2/3x*3y/x+y