I think it going to be 21/2 or 10 1/2
Answer:
4x^2+32x+64
Step-by-step explanation:
Answer:
5x + 45
Step-by-step explanation:
distribute 5 to both x and 9 so multiply them both
Answer:8.5 is x but there is an extra 1
Step-by-step explanation:18x8.5=153+8=162 with an extra one is 162