"The sum" would mean it's an addition problem so it would be 15+x
X-intercept: none
Y-intercept: -3/2
Answer:
D
Step-by-step explanation:
SOH
sinФ = opposite/hypentenous
sin35 = x/20
0.574 = x/20
cross multiply
x = 20(0.574)
x = 11.48
Round to the nearest tenth.
x = 11.5