Write the word statement as an equation. Use x to represent the unknown number. Do not solve.The sum of four times a number and 4 is equal to the difference of twice the number and 7.
A. 4x + 4 = 2x + 7
B. 4(x + 4) = 2x - 7
C. 4x + 4 = 2x - 7
D. 4x + 4 = 7 - 2x
Answer: C
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Write a mathematical expression for the word phrase.Thirteen more than negative ten
A. -13 + 10 B. -10 + 13 C. 10 + 13 D. -10 - 13
Find the present value of $20,000 due in 4 year(s) at the given rate of interest. Round your answer to the nearest dollar. ? 5% / year compounded monthly __________ ? 8% / year compounded daily __________ ?
A. $16,381, $14,523 B. $16,381, $24,418 C. $16,381, $27,542 D. $14,523, $24,418
Solve by completing the square to obtain exact solutions.5x2 + 2x - 3 = 0
A. -1, 
B. 1, 
C. 0, 
D. -1, 
Write the fraction.Of the 245 students at a private school, 56 are juniors. What fraction of the students are juniors?
A. 
B. 
C. 
D. 