800 the strategy I used was adding 32 over and over 25 times

the -7 is found there twice, so it has a multiplicity of 2
the +7 is there thrice, so it has multiplicity of 3
112 cm² * 6 triangles = 672 cm²
Answer:
3
Step-by-step explanation:
plug in (-1) for x
-2(-1) + 1
2 + 1
3