Perimeter is 2(2x+5)+2(x-2) which is 4x+10+2x-4 which is in turn 6x+6. 6x+6 is the perimeter. Hope I helped!
Answer:
the answer is A buddy
Step-by-step explanation:
Answer:
The average change in water level is: -3/4
Step-by-step explanation:
The average is calculated by adding up all the values and then dividing the sum by total number of values.
Given values are:
3/4, -9/4, -11/4, 5/4
The sum of values will be:

Total number of values is 4
So,

Hence,
The average change in water level is: -3/4
I am sick there toooo someone plez helppp
Well, the formula for a triangle is base times height times 1/2. In this case it would be 21x30. That equals 630. Then, you divide 630 by 2 which is 315. Your answer would be 315 squared.