Answer:
-1
Step-by-step explanation:
You can write it as...

Carry the 4x

Then use the quadratic formula to solve, since you want to find the negative solution, you don't need to find the positive solution, so we will have

Therefore our answer is -1
Answer:
531 in^2
Step-by-step explanation:
21 x 18 = 378 in^2
17 x 9 = 153 in^2
378 + 153 = 531 in^2
Answer:
32 in²
Step-by-step explanation:
A= ((a+b)/2)*h
A= ((6+10)/2)*4
A=32