Answer:
7m^3-11m^2+5m+17
Step-by-step explanation:
it'll be really hard to show work so just trust me on this one-
hope it helps <3
Answer:
13/4 or 3 1/4
Step-by-step explanation:
5 3/8 = 43/8
2 1/8 = 17/8
43/8 - 17/8 = 26/8
26/8 = 13/4
The area would be 90cm
Explanation: To find area u multiple length times width, therefor 12x7 = 84 and 2x3 = 6
Then add it all together and it will equal 90cm
(2x-5)-(3-9x)=2x-5-3+9x=11x-8