Sloane brought 20 erasers and pens in total. Each pen costs $2 while each eraser costs $0.40. If he spent $32.50 in all, how many erasers did he buy?

Find the x-intercepts and y-intercept of y=x^3-2x^2-4x+8

A woman standing on a cliff at the edge of the ocean spots a raft. Her eye level is 18 meters above sea level and the angle of depression is 7 degrees. To the nearest thousandths of a meter find the distance from the raft to the base of the cliff.

A bag contains 10 quarters and 5 nickels. Determine whether the events of picking a nickel first and then a quarter without replacement are independent or dependent. Then identify the indicated probability.

Are the lines y=2x+0 and y=-2x+3 perpendicular or parallel?

4. NP bisects < MNQ. m

Bob needs to mix 2 cups of liquid lemonade concentrate with 3.5 cups of water to make lemonade. Bob has 6 cups of lemonade concentrate. How much lemonade can he make?

The temperature decreased overnight by 15.2°C to a temperature of - 12.8°C. Suppose t represents the temperature before it decreased. Which equation can be used to represent this situation? A. t - 15.2 = - 12.8 B. t + 12.8 = - 15.2 C. t - 12.8 = 15.

The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean of 3.2 pounds and standard deviation of 0.8 pound.

What is the surface area of a sphere with a circumference of 50 ft? Round the answer to the nearest tenth.

The table shows the prices for games and Bella soccer league. her parents and grandmother attend a soccer game. how much theu spend if they all went together in one car?