Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.2x + 3y = 6
A. 2 cos ? + 3 sin ? = 6r B. r(2 cos ? + 3 sin ?) = 6 C. 2 sin ? + 3 cos ? = 6r D. r(2 sin ? + 3 cos ?) = 6
Mathematics
Test scores are 92 out of 100, 95 out of 100, and 91 out of 100. Homework is 35 out of 70. What is the minimum final exam score x (200 points possible) is needed to get 90% or better?
A) 198 B) 199 C) 200 D) 188 E) 175
Mathematics
Match the graph to its equation.
A. 
- 
= 1
B. - 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the problem.Find the polynomial that represents the area of the square shown.
(9x + 3)
A. 81x2 - 54x + 9 B. (81x2 - 54x - 9) C. 81x2 + 54x + 9 D. (81x2 + 54x - 9)
Mathematics