Simplify: -10m + 2m4 – 13m – 20m4

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.

Which expression gives the exact value of x?

What is the value of the product (3-2i)(3+2i)?