Solve.7x(x + 2) + 6 = 3x(x + 1)
A. 
, -2
B. -2
C. - 
, -2
D. 
, 2
Answer: C
You might also like to view...
Establish the identity.
- 
= 
What will be an ideal response?
Solve the problem.The minimum length L of a highway sag curve can be computed by 
where ?1 is the downhill grade in degrees (?1< 0°), ?2 is the uphill grade in degrees (?2> 0°), S is the safe stopping distance for a given speed limit, h is the height of the headlights, and ? is the alignment of the headlights in degrees. Compute L for a 55-mph speed limit, where 
style="vertical-align: -11.0px;" /> 
and 
Round your answer to the nearest foot.
A. 597 ft
B. 565 ft
C. 551 ft
D. 581 ft
Express the statement as an equation involving the indicated variables.The circumference C of a circle is the product of ? and its diameter d.
A. C = 
B. C = ? + d
C. C = 2?d
D. C = ?d
The slope of a line is given. Determine the slope of the line parallel to the line whose slope is given.m = - 
A. m = 
B. m = - 
C. m = - 
D. m = 