Solve the equation by the method of your choice. Simplify irrational solutions, if possible.3x2 - 5x - 8 = 0
A. 
B. 
C. 
D. 
Answer: C
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Refer to the given figure, an isosceles triangle with AB = AC.
If ?C measures 24° find the measure of ?A.
A. 48° B. 114° C. 132° D. 19°
Solve the problem.When a person bends at the waist with a straight back, the force, F, exerted by the person's lower back muscles can be estimated with the formula 
where w is the person's weight, and ? is the angle made by the person's torso relative to the horizontal. Suppose that a 
person bends at an angle of 35°. Determine the force exerted by the person's back muscles, and estimate the angle that requires the back muscles to exert a force of 393 pounds.
A. 568 pounds; 35° B. 568 pounds; 55.5° C. 398 pounds; 48.3° D. 29 pounds; 55.5°
Use the circle graph to answer the question.Last year, one family ate fast food 576 times. The circle graph shows the types of food eaten for the year. Find the number of times fish was eaten.
A. 144 times B. 36 times C. 192 times D. 72 times
Determine whether the function is a polynomial function.f(x) = 5x7 - x5 + 
x
A. Yes B. No