Answer:
This is a question you should know in trig.
You should search up how to solve for simple trig functions
The cos of 60 degrees is 1/2 just because you asked
Answer:
x = -5
Step-by-step explanation:
1. Divide both sides by -3
2. Simplify 15/-3 to 5
( 15 divided by -3 is -5)
A parallelogram has two pairs of opposite sides. A trapezoid only has one pair of parallel sides.
$648 because the sales tax is 600*0.08=48
600+48=648
