they are the same so set them equal
3x-10=2x+40 now combine like terms
3x-2x=40+10
x=50
B because tangent is Opposite/hypotenuse. = 6/8 = 0.75
By looking at the y values of a function or on a graph
C. 40
30x30=900
40x40=1600
total of 2500 take the square root and your left with 50 so everything balances out
