Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 9
- 18
B. 9
- 2
C. 
D. 9
+ 18
Answer: A
Mathematics
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Find 
for the given function.y = 6 sin(4x + 10)
A. 24 cos(4x + 10) B. -24 sin(4x + 10) C. -96 sin(4x + 10) D. -96 cos(4x + 10)
Mathematics
Determine whether the expression is a polynomial. If it is a polynomial, give its degree.7x5 - 
A. not a polynomial B. polynomial; degree 1 C. polynomial; degree 5 D. polynomial; degree -1
Mathematics
Solve for the unknown number. x - 19 = 5
A. 13 B. 24 C. 7 D. 15
Mathematics
What quantity of a 40% acid solution must be mixed with a 10% solution to produce 300 mL of a 30% solution?
What will be an ideal response?
Mathematics