H = positive (14) because -98 / -7 is 14
U = is (-144) because it has u multiply 6 instead of dividing to remove it. If you do it ot one side you must do it to all other sides.
Q = 18 * 5 is (90)
If I did the math correctly I’d should be -5 or rewritten as -5/1.
The total cost of ordering 10 shirts can be calculated as following:
C = 4 + 12(10)
C = 4 + 120
C = 124
Since the argument of the sine function is x without any scaling factor, the period is 2π, the 1st selection.