Answer:
14
Step-by-step explanation:
19^2 = y^2+ 17^2
y = 8.5
by figure
x = 31 - 2*y
x = 14
1.5sin4x
I just answered this question and got it right.
B
72.54
Use formula for trapezoid: a+b/2 * h
No
=2•2•2=8
=3•3=9
8≠9
