Solve.The slope of the line joining the points 
and 
is 
. Interpret this slope.
A. For every 5 units of increase in x, y will decrease by 1 unit.
B. For every 1 unit of increase in x, y will decrease by 5 units.
C. For every 1 unit of increase in x, y will increase by 5 units.
D. For every 5 units of increase in x, y will increase by 1 unit.
Answer: D
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Solve the problem. Round rates to the nearest tenth of a percent, dollar amounts to the nearest cent, and time to the nearest day.Mark Golden needs $9,360.04 to pay for remodeling work. His bank loans money at a discount rate of 10% for 150 days. Find the face value of a loan so he will have $9,360.04.
A. $10,296.04 B. $9,360.04 C. $9,761.18 D. $9,767.00
Solve the nonlinear system of equations.x2 + y2 = 34x2 - y2 = 16
A. {(5, 3), (3, 5), (-5, -3), (-3, -5)} B. {(5, 3), (-5, 3), (5, -3), (-5, -3)} C. {(5, -3), (5, 3)} D. {(-5, -3), (-3, -5)}
Graph the region described by the inequality.y > -4x + 5
A. 
B. 
C. 
D. 
In testing an engine, various mixtures of gasoline and methanol are being tried. How much of a 45% gasoline mixture and a 30% gasoline mixture are needed for 2,100 L of an 35% gasoline mixture?
A. So, 1,050 L of 45% gasoline mixture is needed and 1,050 L of 30% gasoline mixture is needed. B. So, 1,138 L of 45% gasoline mixture is needed and 962 L of 30% gasoline mixture is needed. C. So, 962 L of 45% gasoline mixture is needed and 1,138 L of 30% gasoline mixture is needed. D. So, 700 L of 45% gasoline mixture is needed and 1,400 L of 30% gasoline mixture is needed. E. So, 1,400 L of 45% gasoline mixture is needed and 700 L of 30% gasoline mixture is needed.