Factor by grouping.15x2 + 18x - 20x - 24
A. (3x + 4)(5x - 6)
B. (15x + 4)(x - 6)
C. (15x - 4)(x + 6)
D. (3x - 4)(5x + 6)
Answer: D
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Find the length of base in an isosceles triangle with perimeter 25 inches and length of leg8 inches.
What will be an ideal response?
Tempco Electronics, a division of Tempco Toys, manufactures an electronic football game. An efficiency study showed that the rate at which the games are assembled by the average worker t hours after starting work at 8 a.m. is
?
units/hour.
?
Find the total number of games the average worker can be expected to assemble in the 4-hour morning shift.
?
__________ units
?
How many units can the average worker be expected to assemble in the first hour of the morning shift? Please round the answer to the nearest whole unit.
?
__________ units
?
In the second hour of the morning shift? Please round the answer to the nearest whole unit.
?
__________ units
What will be an ideal response?
Find the equation of the line passing through the indicated two points. Write the equation in point-slope form.(5, -6) and (7, 1)
A. y + 6 = 
(x - 5) or y - 1 = 
(x - 7)
B. y + 6 = - 
(x - 5) or y - 1 = - 
(x - 7)
C. y + 6 = 
(x - 5) or y - 1 = 
(x - 7)
D. y - 6 = 
(x + 5) or y + 1 = 
(x + 7)
Graph the compound inequality.x > 2 and x ? 6
A. 
B. 
C. 
D. 