There were 45 runners to start a race. In the first half of the race, 1/3 of them dropped out. In the second half of the race, 3/5 of the remaining runners dropped out. How many runners finished the race?

Find (g•f) (3) f (x) = 3x-2 g (x) = x^2

For each job, a plumbing services company charges a one-time service fee of $50 and a $125 per hour rate for labor. Let n be the total amount the company charges in dollars, for a job that takes b hours to complete.

Jen and sarah want to leave a 20% tip based on the cost before tax. How much tip should they leave? without tax=28.00 (with tax 29.68)

What's the first step to solve the equation x-6=14

Which of the following are true statements about any regular polygon? Check all that apply. A. All of its angles are congruent. B. It is concave. c. All of its sides are congruent. D. It is a closed figure. E. It has exactly 6 sides. F. It is convex.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.