Answer:
A - 7*400 = 2800 + 200 = 3000
A. (x*2.5)*x
B. (32*2.5)*32=2560
Step-by-step explanation:
1) 22 seven seaters
2) 4 more students
3) 11x+3
4) 8x³+2x²+2x+8
Answer:one solution
x=-3, TeR