Answer:
Answer’s 43
Step-by-step explanation:
6+3=9
7(9)-4x5
63-4x5
63-20
Answer: 43
Answer:
111
Step-by-step explanation:
The sum for a 7-sided interior polygon is 900
126+158+120+125+121+139=789
900-789=111
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Jamal factored it completely.
in Jennifer's answer, 3x+3 has a common factor of 3 which can be factored to become 3(x+1) which is what Jamal did.