Find the perimeter n area pls !

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27