Simplify the expression. If any variables exist, assume that they are positive.
- 
A. - 
B. -1.5
C. - 
D. -3
Answer: D
Mathematics
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Convert the polar equation to a rectangular equation.r2 sin 2? = 4
A. xy = 4 B. x2 + y2 = 4 C. y2 = 4 D. xy = 2
Mathematics
Divide. Write the answer in simplest form.44 ÷ 2
A. 19
B. 20
C. 18
D. 21
Mathematics
Find the midpoint of the line segment joining the points P1 and P2.P1 = (-7, 9); P2 = (4, 1)
A. 
B. 
C. 
D. 
Mathematics
y?? ? 3y? ?10y = 0
What will be an ideal response?
Mathematics