Answer:
first one : (7+12+3+4+4+8)*2=76

- Evaluate the expression ⇨ (-6) squared.


This will be equal to..

Multiply -6 by itself (squaring a number means to multiply the number by itself twice)

-6 multiplied by-6 will get you 36 as the answer.

Answer:
343 meters.
Step-by-step explanation:
Since, both the shapes are similar, their sides are also similar.
21 / 24 = 49 / w
1 / 7 = 49 / w
w = 7 * 49
w = 343
Answer:
A = 28 in²
Step-by-step explanation:
Equation for the area of a parallelogram: <em>A = b * h</em>
Plug in: A = 7 in * 4 in
Solve: A = 28 in²