A boy is riding a scooter whose wheels are 5 inches in diameter. If the wheels rotate at 550 rpm, find the speed at which he is traveling in mi/h.
(a) 6.6 mi/h
(b) 5.5 mi/h
(c) 9.3 mi/h
(d) 11 mi/h
(e) 8.2 mi/h
(e) 8.2 mi/h
Mathematics
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Find the derivative at each critical point and determine the local extreme values.y = 
A. 
B. 
C. 
D. 
Mathematics
Find ? to four significant digits for 0 ? ? < 2?.csc ? = -1.409
A. 0.7891, 5.494 B. 8.808, 0.6172 C. 3.931, 5.494 D. 3.931, -3.066
Mathematics
Use factoring techniques to solve the polynomial equation.64x3 + 11 = 3
A. 
B. 
C. 
D. 
Mathematics
Solve.A group of 8 friends are going to a concert. Tickets cost $17 each and they pay an additional $9 per person to upgrade their tickets to the front row. What is the total cost for all of their tickets?
A. $1224 B. $208 C. $218 D. $64
Mathematics