Find the opposite of the number.21
A. 0
B. -21
C. 21
D. 
Answer: B
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Evaluate the expression with the given replacement values.
; x = -4
A. 
B. - 
C. 
D. - 
Suppose that 
times a number is added to 
and the result is positive. What are the possible numbers?
?
A. Any number greater than - 
.
B. Any number greater than 
.
C. Any number greater than 
.
D. Any number greater than - 
.
E. Any number less than - 
.
Find the remaining zeros of f(x) given that c is a zero. Then rewrite f(x) in completely factored form.f(x) = x3 + 2x2 - 5x - 6; c = 2 is a zero
A. -1; f(x) = (x + 1)(x2 + x - 6) B. -3, -1; f(x) = (x + 3)(x + 1)(x - 2) C. -2, 1, 3; f(x) = (x + 2)(x - 1)(x - 3) D. -3; f(x) = (x + 3)(x2 - x - 2)
A traffic light weighing 16 pounds is suspended by two cables (see figure). Find the tension in each cable. Approximate the answer to one decimal place.
?
?
?
where b = 28°
?
A. 18.0 lb B. 17.0 lb C. 16.0 lb D. 19.0 lb E. 15.0 lb