Provide an appropriate response.A welder can make 8 welds in an hour. How many welds can 26 welders make in a 40-hour week if all work at the same rate?
A. 74
B. 130
C. 5,260
D. 8,320
E. none of the above
Answer: D
Mathematics
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The equation of a horizontal parabola is given. Determine how the parabola opens and find the parabola's vertex.x = -(y - 3)2 + 10
A. opens to left; (3, 10) B. opens to left; (10, 3) C. opens to left; (10, -3) D. opens to right; (3, 10)
Mathematics
Find the indefinite integral.
Mathematics
Find an explicit rule for the nth term of the sequence.9, 36, 144, 576, ...
A. an = 9 ? 4n-1 B. an = 4 ? 9n-1 C. an = 9 ? 4n D. an = 9 ? 4n+1
Mathematics
Evaluate.
3
A. - 
B. - 
C. - 
D. 
Mathematics