Parentheses x plus y parentheses parentheses divided by three equals five solve for x

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Which of the following graphs could represent a quartic function?