2x+2y=4x+6y
and then x will equal 2y
$275*x%=195
It will be a 29% reduction. But it will not have the exact cost of $195
Step-by-step explanation:

Answer: Yes, I believe that she does, because 15 is greater than 13.
Step-by-step explanation:
Answer:
Step-by-step explanation:
In each case, draw the right triangle which produces the inverse trig value. That is, label the two sides as needed, and calculate the third side.
It should be clear that


sin(2α) = 2 sinα cosα
So,

See what you can do with the others.