Simplify the expression.-6(4r2 + 4) + 7(5r + 9)
A. -48r
B. -24r2 + 35r + 39
C. 35r + 4
D. 11r - 2
Answer: B
Mathematics
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Graph the equation.y = (x - 5)2
A. 
B. 
C. 
D. 
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Solve the problem.Approximately 4 × 103 employees of a certain company average $30,000 each year in salary. Write the total amount earned by all the employees of this company per year in scientific notation.
A. $1.2 × 109 B. $1.2 × 108 C. $12 × 109 D. $12 × 108
Mathematics
Use the remainder theorem and synthetic division to find f(k).k = 2; f(x) = -x3 - 2x2 + 4
A. 9 B. 12 C. -12 D. 3
Mathematics
Use a calculator to find the approximate value of the expression rounded to two decimal places.tan 41°
A. 0.10 B. 0.16 C. 0.81 D. 0.87
Mathematics