Solve the problem.The perimeter of a rectangle is the sum of the lengths of all of its sides. Find the polynomial that represents the perimeter of the rectangle shown.
A. 2x2 + 10x + 39
B. 2x2 + 14x + 78
C. x2 + 5x + 39
D. 2x2 + 10x + 78
Answer: D
Mathematics
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Find the values of the variables for which the statement is true, if possible.
= 
A. x = -9; y = -8; m = -3 B. x = -9; y = 8; m = -3 C. x = 9; y = 8; m = 3 D. x = 8; y = 9; m = 3
Mathematics
Find the center and radius of the circle with the given equation. (x + 5)2 + (y - 10)2 = 144
A. Center (-5, 10), r = 144 B. Center (10, -5), r = 144 C. Center (-5, 10), r = 12 D. Center (10, -5), r = 12
Mathematics
Solve.
- 8 = x
A. -5 B. 5 C. 4 D. -4
Mathematics
The line graph indicates the lowest temperature recorded in a certain city for six consecutive months. 
In which month was the temperature colder, January or February?
A. January B. February
Mathematics