Answer:
c = 40d+20
Step-by-step explanation:
He has to pay 20 dollars and that can't multiply so the forty has to multiply and it would have to be by d because c is the total cost
Answer:
x=7
Step-by-step explanation:
Answer:
x=3
plug that in
123 is the answer
Step-by-step explanation:
Answer:
x=15
Step-by-step explanation:
Answer:
area of the figure=1/2×16×7
=56 m²
