Solve the equation.-6a + 3 + 7a = 14 - 26
A. a = 15
B. a = 43
C. a = -15
D. a = -43
Answer: C
Mathematics
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Solve the problem.A convention manager finds that she has $1440 made up of twenties and fifties. She has a total of 45 bills. How many fifty-dollar bills does the manager have?
A. 12 fifty-dollar bills B. 27 fifty-dollar bills C. 18 fifty-dollar bills D. 45 fifty-dollar bills
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.-7 ? -2c + 5 < -3
A. (-6, -4]
B. [4, 6)
C. [-6, -4)
D. (4, 6]
Mathematics
Simplify.- 
A. - 
B. - 
C. - 
D. - 112x2y2
Mathematics
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log7 21 - log7 3
A. 7 B. 3 C. 21 D. 1
Mathematics