The coefficient is 4 because it is placed before x.
First step
12 x 1.3
Second step
15.6 x 7.5
The answer is 117 :)
The square root of 52
the third answer
Answer:
B. (2,8), because both equations intersect at this point
It is an acute triangle since all the sides are less than 90 degrees (it's also equilateral)