Factor the trinomial by grouping.3x2 - x - 52
A. (3x + 13)(x - 4)
B. (3x - 13)(x + 4)
C. (3x + 4)(x - 13)
D. (3x - 4)(x + 13)
Answer: B
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Solve. Write the fraction in simplest form.The outer diameter of the donut below measures 
inches. What is measure of the inner diameter of the donut?inner diameter 
A. 
? in2.
B. 
in.
C. 
in.
D. 1
in.
Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.If it's not Saturday, then Dad will shave. If Dad has whiskers, then he did not shave. If it's Saturday, then Dad will take us to the game.
A. If Dad has whiskers, then he will take us to the game. B. If Dad did not shave, then he has whiskers. C. If Dad shaves, then it's not Saturday. D. If Dad takes us to the game, then he has whiskers.
Find an equation for the sphere with the given center and radius.Center (-5, 0, 0), radius = 9
A. x2 + y2 + z2 - 10x = 9 B. x2 + y2 + z2 + 10x = 56 C. x2 + y2 + z2 - 10x = 56 D. x2 + y2 + z2 + 10x = 9
Evaluate the trigonometric function at the quadrantal angle, or state that the expression is undefined.csc ?
A. -1 B. 1 C. undefined D. 0