Factor completely. If the polynomial cannot be factored, say it is prime.x4 + 2x2 - 35
A. (x2 + 5)(x2 + 1)
B. (x2 - 5)(x2 + 7)
C. (x2 + 5)(x2 + 7)
D. Prime
Answer: B
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Solve the equation 
. Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary.
?
A. 2.12 B. 0.75 C. 0.97 D. 2.05
Calculate.-4 - |(-18) + (-13)|
A. 27 B. -27 C. -35 D. 35
Solve the problem.Newton's Law of Cooling states that if a body with temperature T1 is placed in surroundings with temperature T0 different from T1, then the body will either cool or warm to temperature T(t) after time t, in minutes, where 
A dish of lasagna baked at 400°F is taken out of the oven into a kitchen that is 74°F. After 5 minutes, the temperature of the lasagna is 353.2°F. What will its temperature be 14 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 270°F B. 279°F C. 285°F D. 294°F
Find the distance between P and Q.P(-3, -4), Q(6, -7)
A. 3
B. 12
C. 72
D. 72