Factor completely. If the polynomial cannot be factored, write "prime."8x2 - 8
A. (8x - 1)(x + 8)
B. 8(x - 1)(x + 1)
C. 8(x + 1)2
D. (8x - 8)(x + 1)
Answer: B
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Express the following in interval notation.10 ? x > -4
A. (-?, -4] ? (10, ?) B. (-4, 10] C. [-4, 10) D. (-?, -4) ? [10, ?)
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. half-open interval; {x|-6 < x ? -2}; (-6, -2] B. closed interval; {x|-6 ? x ? -2}; [-6, -2] C. open interval; {x|-6 < x < -2}; (-6, -2) D. half-open interval; {x|-6 ? x < -2}; [-6, -2)
Set up the percent proportion for the application problem. Do not try to solve for any unknowns.11% of the baby salmon shipped from a hatchery do not arrive healthy. Of 4200 salmon shipped, how many do not arrive healthy?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.The path of a projectile fired at an inclination ? to the horizontal with an initial speed vo is a parabola. The range R of the projectile, the horizontal distance that the projectile travels, is found by the formula src="https://sciemce.com/media/4/ppg__tttt0523191130__f1q91g4.jpg" alt="" style="vertical-align: -4.0px;" /> to the horizontal. Round your answer to two decimal places.
A. 642.15 ft
B. 642.25 ft
C. 357.29 ft
D. 714.57 ft
where 
feet per second per second or 
meters per second per second. Find the range of a projectile fired with an initial velocity of 162 feet per second at an angle of