Ashley works two part time jobs. One is steady at 16 hours/week earning $14.43 per hour. The other is at a boutique where her hours vary from week to week, and it pays $9.36 per hour. She determines she needs to earn $390 each week to pay her bills. How many additional hours must she work each week at the boutique? Round to the nearest hour.
A. 16 hours
B. 17 hours
C. 14 hours
D. 20 hours
Answer: B
Mathematics
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Solve.
+ 
= 
A. -3, -2 B. -2 C. 3, 2 D. 3
Mathematics
Solve the problem.A grocery store display of apples has a total of 17 rows. The bottom row requires 124 apples. Each successive row requires 5 less apples than the prior one. How many apples are required to build the display?
A. 2856 apples B. 1385.5 apples C. 1428 apples D. 2788 apples
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Write the linear system as a matrix equation in the form AX = B, where A is the coefficient matrix and B is the constant matrix. 4x + 8z= 60 7y + 9z = 70 3x + 9y + 6z = 54
A. 
= 
B. 
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C. 
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D. 
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Evaluate the expression using the properties of real numbers.- 
? 
? 3
A. - 1
B. - 
C. 
D. - 
Mathematics