What is 879 times 8 as a sum and estimated

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.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x

Ineed to find the answer to number 2