Convert the polar equation to a rectangular equation.r = 
A. 3x2 - y2 -16x + 16 = 0
B. 3y2 - x2 + 16 = 0
C. 3y2 - x2 -16y + 16 = 0
D. 3x2 - y2 + 16 = 0
Answer: A
Mathematics
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Find the opposite (additive inverse) of the number.- 
A. 15
B. -15
C. 0
D. 
Mathematics
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 25; exact: 20.88 B. Estimate: 2.5; exact: 2.088 C. Estimate: 1.6; exact: 20.78 D. Estimate: 16; exact: 19.88
Mathematics
Simplify the following by combining like terms.-12r + 9r3 + 9r3 + 9r
A. 15r B. 15r3 C. -3r + 18r3 D. cannot be simplified
Mathematics
Determine any point(s) of intersection between the following equations.
a. 
b. 
c. 
d. 
e. 
Mathematics