Solve the problem.
A radio telescope has a parabolic surface. If it is 1 m deep and 8 m wide, how far is the focus from the vertex?
A. 4 m
B. 16 m
C. 2 m
D. 1 m
Answer: A
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Solve the absolute value equation.|x| = 6
A. {-6} B. {6, -6} C. {6} D. {36}
Solve the problem.A store receives a shipment of 8000 soft drinks. The shipment contains cans of apple and orange juice only. The store makes 20¢ profit on each can of apple juice sold and 35¢ on each can of orange juice. If it makes a profit of $2050.00 on the whole shipment, how many of each item did the shipment contain?
A. 4000 cans of apple juice, 4000 cans of orange juice B. 5000 cans of apple juice, 3000 cans of orange juice C. 5500 cans of apple juice, 2500 cans of orange juice D. 3000 cans of apple juice, 5000 cans of orange juice
Determine whether f is continuous at c.f(x) = 
;c = 0
A. not continuous B. continuous
Solve.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $10 each and a number of necklaces at $13 each. She wrote a check for $1350 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 70 bracelets and 50 necklaces B. 75 bracelets and 45 necklaces C. 65 bracelets and 55 necklaces D. 80 bracelets and 40 necklaces