Solve the inequality and draw a number line graph of the solution.-5(3z + 15) < -20z - 45
A. z < 6
B. z < -20
C. z > 6
D. z > -20
Answer: A
Mathematics
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Solve the equation.5(2x - 5) = 9(x + 3)
A. {7} B. {-52} C. {-2} D. {52}
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Write the number in scientific notation.A business projects next year's profits to be $151,000,000.
A. 1.51 × 107 B. 1.51 × 10-9 C. 1.51 × 108 D. 1.51 × 109
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Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-7 + (-3)
A. -10 B. 11 C. -11 D. 10
Mathematics
Use the simplex method, Excel, or another technology to find the solution of the problem given below. Assume all variables are nonnegative.
Maximize 
A. Maximum is 212 at 
.
B. Maximum is 268 at 
.
C. Maximum is 179 at 
.
D. Maximum is 231 at 
.
E. Maximum is 216 at 
.
Mathematics