Factor the polynomial.w2 - 2w + 4 = 0
A. (w + 4)(w - 1)
B. (w + 4)2
C. (w + 4)(w + 1)
D. prime
Answer: D
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Over a certain time period the price of gold doubled every 4 years. What was the yearly growth factor for gold during this period? Round your answer to two decimal places. ?
A. 2.00 B. 1.19 C. 1.69 D. None of the above
Solve the problem.A rescue cable attached to a helicopter weighs 2 lb/ft. A 190-lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done in lifting the man if the helicopter is 50 ft above the water?
A. 14,500 ft ? lb B. 9600 ft ? lb C. 12,000 ft ? lb D. 2690 ft ? lb
Provide an appropriate response.When is the square of the sum the sum of a square; i.e., when is (A + B)2 = A2 + B2 ?
What will be an ideal response?
Use a reference angle to find the value. tan 330°
A. - 
B. 
C. - 
D. -2