Simplify the expression.
+ 
A. 
B. 
C. 
D. 3
Answer: B
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Solve the given applied problem.A projectile moves vertically upward such that its distance s (in ft) above the ground is given by 
Determine how long it will take to reach a height of 150 ft (to 0.1 s).
A. 0.3 s B. -0.1 s C. 0 s D. 12.2 s
Solve the problem.Instruments on a satellite measure the amount of power generated by the satellite's power supply. The time t and the power P can be modeled by the function P = 50e-t/300, where t is in days and P is in watts. How much power will be available after 378 days? Round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).
Choose the graph that matches the equation. y = -2x - 3
A. 
B. 
C. 
D. 
Solve the problem.Find the surface area of a cube with an edge length of 2
yd.
A. 60 yd2
B. 12
yd2
C. 12
yd2
D. 37
yd2