Solve the problem.Nathan sold 7 fewer raffle tickets than Kolby. Together they sold 55 tickets. How many tickets did Nathan sell?
A. 24
B. 27.5
C. 48
D. 31
Answer: A
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Express the limit as a definite integral where P is a partition of the given interval.lim
?0
?xk, [5, 6]
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Solve the problem.A Ferris wheel has a diameter of 380 feet and the bottom of the Ferris wheel is 10 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel, as illustrated. 
A. x2 + (y - 200)2 = 36,100 B. x2 + y2 = 36,100 C. x2 + (y - 190)2 = 36,100 D. x2 + (y - 190)2 = 144,400
Find an equation of the line satisfying the conditions. Write the equation in slope-intercept form.Through (1, 9); perpendicular to x = 5
A. y = -1 B. y = 9 C. y = 1 D. y = -9
Use the figure to solve the inequality.f(x) < 0
A. {x|-5 ? x ? 2}; [-5, 2] B. {x|x < -5 or x > 2}; (-?, -5) or (2, ?) C. {x|-5 < x < 2}; (-5, 2) D. {x|x ? -5 or x ? 2}; (-?, -5] or [2, ?)