7(y+2)=3
seven times the sum of a number (y) and 2
means y+2 multiplying by 7
Answer:
ask your teacher
Step-by-step explanation:
Use the following identities:

Also because the angle is in quadrant 3, sin must be negative.
Therefore

Subbing in tan = 0.958
Answer:
width of rectangle is 87
Step-by-step explanation:
because perimeter of rectangle = 2(l+w)