PRT - Principal, Rate , Time formula to solve this I believe.
Answer:
hypotenuse
Step-by-step explanation:
Remember that when using sin and cos functions, the hypotenuse is always included as the denominator of the equation EXCEPT when you're solving with tan, which is opposite/adjacent.
= -15 Multiply both sides by -3 to cancel out the fraction
x = 45
It is $100 since you are rounding to the nearest ten.