Answer:
B: If Mo pays cash, the cost of the purchase will be $140.
E: If Mo uses the credit card and pays off the balance at $20 a month for 7 months with no late fees, the cost of the purchase will be $139.89.
F: If Mo uses the credit card and pays the full balance during the billing cycle, the cost of the purchase will be $135.80.
Step-by-step explanation:
Answer:
9x+4y-17z
Step-by-step explanation:
first open brackets with d signs
dat is= 4x+2y-6z+5y-2z+7x-9z-2x-3y
collect like terms and = 4x+7x-2x+2y+5y-3y-6z-2z-9z= 9x+4y-17z
Step-by-step explanation:
x²=-9-27
x²=-36
there's no x
