You can use the identity

The sign is negative because the angle is in the 3rd quadrant.
This corresponds to ...
a. -(4√17)/17
The fixed fee is $5.75. This part of the equation is called the constant. There are no variable being multiplied or divided meaning it is not being grouped in any way. This tells us it stands alone and represents a number that is non -changing or fixed.
y = total snow accumulated
x = hours
the ground has 0.2 inches of snow before the data starts
y = 1.5x+0.2
0 hours = x = 0, so y = 0.2 inches
after 9 hours, we predict that 13.7 inches of snow will have accumulated
y = 1.5(9)+0.2 = 13.7
Answer:
25
Step-by-step explanation:
10÷1/4=25