Solve the problem.If w = 3i + 3j, find 2w.
A. 6i + 6j
B. 6i + 3j
C. 5i + 3j
D. 5i + 5j
Answer: A
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Solve the problem.A class consists of 19 girls and 10 boys. In how many ways can 4 girls and 4 boys be selected from this class to form a team?
A. 7752 B. 420 C. 13,023,360 D. 813,960
Find the surface area of the surface S.S is the paraboloid x2 + y2 - z = 0 between the planes z = 
and z = 6.
A. 
?
B. 
?
C. 
?
D. 
?
Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.A parabola and a hyperbola; one point
What will be an ideal response?
Solve the problem.Three people build a rectangular shed 6 ft wide, 4 ft long, and 5 ft high. About how many ft3 does the shed contain?
A. 74 ft3 B. 15 ft3 C. 120 ft3 D. 720 ft3