Solve the system using substitution.
A. no solution
B. (0, -5)
C. (0, -4)
D. (-1, -4)
Answer: B
Mathematics
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Find the limit.
(
- 2)
A. does not exist B. -2 C. 0 D. 2
Mathematics
Multiply and simplify.
A. 15
B. -15
C. 25
D. -25
Mathematics
Solve the problem.An open-top box is to be made by cutting small identical squares from each corner of a 
sheet of tin and bending up the sides. If each corner square is x inches on a side, the volume of the box (in in.3) is given by V(x) = 144x - 48x2 + 4x3. By sketching the graph of V(x), estimate what values of x result in a box with a volume greater than 64 in3.
A. 1.5 in. ? x ? 2.5 in. B. 0.1 in. ? x ? 5.0 in. C. 1.0 in. ? x ? 3.0 in. D. 0.54 in. ? x ? 4 in.
Mathematics
Find the midpoint of the segment having the given endpoints.(7, 7) and (4, 8)
A. (3, -1)
B. 
C. (11, 15)
D. 
Mathematics