Convert the equation given in polar form into rectangular form.r = 8 cos ? + 9 sin ?
A. x2 - y2 = 8x + 9y
B. x2 + y2 = 9x + 8y
C. 8x + 9y = 0
D. x2 + y2 = 8x + 9y
Answer: D
Mathematics
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Find decimal notation.
A. 0.135 B. 0.095 C. 0.126 D. 0.146
Mathematics
Solve the problem.The equation for a hospital's blood supply is 6p2 + q2 = 1500, where p is the number of pints of blood the hospital can supply and q is the number of pints of blood demanded. Find 
.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Convert. When necessary, round the answer to two decimal places.29 quarts = gallons
A. 58
B. 14
C. 28
D. 7
Mathematics
Solve the problem.Select the equation that describes the graph shown.
A. y = -2x2
B. y = -x2
C. y = - 
x2
D. y = 2x2
Mathematics