ABC is a right triangle, so by Pythagoras' theorem,

Then by the law of sines,


Answer:
A. cos(
)
Step-by-step explanation:
Typed the all the expressions into desmos and picked the ones that matched
Answer:
$63
Step-by-step explanation:
The store is 20% off, Jessica has a coupon that is 5% off add that together and it's 25% off. $84 - 25% = $63
The number at the end of the equation shifts the graph up or down.
Changing the 1/2 to a -2 would shift the graph down which would change the y-intercept.
The answer is D.