Sam bought 7 colors of oil paint and 7 colors of watercolors. The oil paint costs $2 each, and the watercolors cost $1 each. How much did all of his paint cost?

Simply 8x squared + 5(7x squared- x) - 2x =

Which of the following tables represents exponential functions?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.