Answer:
4(x+2y) = 8y+4x
Step-by-step explanation:
because if you distribute the 4 to the x and y you will get 4x and 8y because you are multiplying the outside number with both first numbers in the parentheses for example
10(4x+y) = 40x+10y
Answer: 60°
Step-by-step explanation: 180 - 120 = 60.
<u>Step-by-step explanation:</u>
Angle of elevation would be 66 degrees
