Answer:
2.5 x 12 = 30
3.5 x 2.5 = 8.75
30 + 8.75 = 38.75 ft²
d
Step-by-step explanation:
2nd one, x^2 + 8x + 4
add 2x^2-x^2, 6x+2x, -3+7
41.87
Add the 2 numbers
x = arctan( 7/10) = ~35 deg
Hope this helps!
:)
