Solve.
- 
= 2
A. 76
B. 92
C. - 
D. -4
Answer: C
Mathematics
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Divide and simplify.
÷ 
A. - 
B. 
C. - 
D. 
Mathematics
Solve.The marketing division of a company predicts that 72% of the 250 special promotional sale items will sell on the first day of sale. What percent of the promotional items should be available after the first day of sale? How many special promotional items should be available after the first day of sale?
A. 72%; 70 items B. 72%; 180 items C. 28%; 180 items D. 28%; 70 items
Mathematics
Solve the system.
- 
= - 
= 
A. 
B. 3
C. 
D. 
E. 
Mathematics
Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. 5x + y = 5-2x + 4y = -24
A. No inverse, no solution for system B. (-5, -2) C. (-5, 2) D. (2, -5)
Mathematics