Simplify.
A. 13
B. 84
C. 14
D. Not a real number
Answer: A
Mathematics
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Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.(x + 5)2 = 15
A. Square root principle or factoring; 5 ± 
B. Square root principle; -5 ± 
C. Quadratic formula; ±
D. Factoring; 10
Mathematics
Solve the problem.A computer printer costs $360. If the sales tax rate is 5
%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $198.00, $558.00 B. $19.80, $379.80 C. $16.20, $376.20 D. $23.40, $383.40
Mathematics
Given 
(0.6264)= ?. Use a calculator to find ? to the nearest tenth.
a
Mathematics
Find the exact value of the expression.sin
A. 
B. 
C. 0
D. 1
Mathematics