<span>supplementary angles sum = 180
</span>lets x = measure of angle Y
x + 3x = 180
4x = 180
x = 45
angle Y = 45
angle X = 3 x 45 = 135
answer
Angle X = 135
Answer:
Point C
Step-by-step explanation:
At point C, the graph is changing from decreasing to increasing.
Answer:
x=-1
Step-by-step explanation:
x+1=0(squared).
x+1=0 (anything raise to the power 0 is 0
collect like terms =x=-1
therefore x=-1
Answer:
F(8)=120
Step-by-step explanation:
f(x)=15x
f(8)=15(8)
f(8)=120
8/10= 0.8 tests per minute