T if this is a question mark as brainiest!<span />
Answer:
Hey the answer is 20%.
Step-by-step explanation:
You multiply the $90 with 20%,
but in order to figure that out you need to:
Calculate the savings: 20% of $90 = $18.
Subtract the savings from the original price to get the sale price: $90 - $18 = $72. You're all set!
Answer:
I can't see the picture?
Step-by-step explanation:
Unit circle : a circle
with radius of one. Unit circle is centered at the origin.
<span>Use the formula cot x =
base / perpendicular, where x is the angle. Substituting x,y and t to the
formula, we get cot (t) = x / y.</span>