Solve the equation.16 = b2/5
A. {-4, 4}
B. {4}
C. {-1024, 1024}
D. {1024}
Answer: C
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Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $2 per foot for the other two sides. Find the dimensions of the field of area 800 ft2 that would be the cheapest to enclose.
A. 56.6 ft @ $4 by 14.1 ft @ $2 B. 20 ft @ $4 by 40 ft @ $2 C. 40 ft @ $4 by 20 ft @ $2 D. 14.1 ft @ $4 by 56.6 ft @ $2
Provide an appropriate response.Factor completely: 25y2 - 36
Fill in the blank(s) with the appropriate word(s).
Answer the question. You will need to use the formula 4.9t2 + vot = s.A rock is dropped from a helicopter at an altitude of 64 meters. Approximately how long does it take for the rock to reach the ground?
A. 3.6 seconds B. 13.8 seconds C. 10.9 seconds D. 0.9 seconds
The point P on the circle x2 + y2 = r2 that is also on the terminal side of an angle ? in standard position is given. Find the indicated trigonometric function.(12, 5)Find cos ?.
A. - 
B. 
C. - 
D. 