Perform the operation. Write the answer as a mixed number.
- 4
A. - 3
B. - 2
C. 2
D. 3
Answer: B
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Find a parametrization for the curve.The upper half of the parabola x + 3 = y2
What will be an ideal response?
Solve the problem.A ball is dropped from a cliff that is 256 feet high. The distance S (in feet) that it falls in t seconds is given by the formula 
How many seconds will it take for the ball to hit the ground?
A. 4096 sec B. 15.5 sec C. 16 sec D. 4 sec
Solve the problem.An archery set containing a bow and three arrows costs $52. Additional arrows can be purchased for $4 each. Gerri has $72 to spend on the set and additional arrows. Including the arrows in the set, what is the maximum total number of arrows Gerri can purchase?
A. at most 18 arrows B. at most 8 arrows C. at most 1 arrow(s) D. at most 5 arrows
Solve the problem.Mark has $120 to spend on salmon at $5.00 per pound and/or chicken at $3.00 per pound. If he buys s pounds of salmon and c pounds of chicken, the equation 5s + 3c = 120 must be satisfied. How much salmon did Mark buy if he bought 20 pounds of chicken?
A. 7 lb B. 16 lb C. 19 lb D. 12 lb