C = 2r; for r how to slove

Ann had 45 fliers to post around town. Last week, she posted 2/3 of them. This week, she posted 4/5 of the remaining fliers. How many fliers has she still not posted?

A company employs 400 salespeople. Of these, 83 received a bonus last year, 100 attended a special sales training program at the beginning of last year, and 42 both attended the special sales training program and received a bonus.

Give the numerical coefficient of the term 14m^2

When 3 dice are rolled what is the probability of getting a sum of 15?

Michael puts 21 sports cards into stacks of 3. The answer is 7. What's the question?

Aaron, a car salesman at KIA, makes 4% commission on all sales he sells 5 cars for $15,000 each. What was the total commission on his sales.

What is y + 10 = - 3 (x + 10) in slope-intercept form?

Find the values of x when y = 1 y=x^2 - 2x-3

Five girls share 4 sandwiches equally. What fraction of the sandwich does each girl get?

What is the distributive property of 25