Solve the problem.Each gallon of shingle stain covers 120 square feet. How many gallons are needed to cover 840 square feet?
A. 8 gallons
B. 5 gallons
C. 7 gallons
D. 6 gallons
Answer: C
Mathematics
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Solve the systems of equtions using the addition method. 
A. {(-1, 3)} B. no solution; ? C. {(0, 3)} D. {(0, 2)}
Mathematics
Find the y-intercept of: -4x²+8x-3
What will be an ideal response?
Mathematics
Solve.A grocer will refuse a shipment of strawberries if the ratio of bruised strawberries to the total batch is at least 1 to 7. A sample is found to contain 13 bruised strawberries and 76 good strawberries. Determine whether the shipment should be refused.
A. yes, the shipment should be refused. B. no, the shipment should not be refused.
Mathematics
Solve the nonlinear system of inequalities.y > x2 - 4
+ 
< 1
A. 
B. 
C. 
D. 
Mathematics