-9 to the second power will most likely be 81. A negative x a negative equals a positive. Hope this helped.
I believe that is ten right?
y = 55/10x + 50 is the equation to represent this situation
Answer:
B
Step-by-step explanation:
Since x varies directly as y, the ratio of x to y remains the same. Let the value of x when y=4 be a. Then we have

We can cross multiply to get that

Answer:
48 degrees
Step-by-step explanation:
7X-1+12x+48=180
19x+47=180
19x=133
x=7
7(7)-1=A
49-1=A
48=A
A is 48 degrees