Me pre cal/trig

the first ferris wheel had a diameter of 250 feet and took 10 minutes to complete one full revolution.

a. how many degrees would the ferris wheel rotate in 100 seconds?

b. how far has a person traveled of he or she has been on the ferris wheel for 7 minutes?

c. how long would it take for a person to travel 200 feet?

try to show work : ))

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Which of the following is the true for f(x) = 5cos

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.