Arianna buys 5 boxes of granola bars. each box contains 12 granola bars. arianna eats 4 bars.

Dylan paid a plumber $120 for 4 hours of labor. How much does the plumber charge per hour of labor? $15 per hour $30 per hour $116 per hour $480 per hour

What is the solution of these two lines? y = 40 + 10x y = 200 + 2x

The length of a screw produced by a machine is normally distributed with a mean of 0.55 inches and a standard deviation of 0.01 inches. What percent of screws are between 0.53 and 0.57 inches? 99.7% 68% 95% 100%

600mg is equal to how many grams

Rachel finished 3/4 of the race in 6 hours. How long was the entire race? (What model do I draw as well?)

Can you explain how to get the answer for: 4 6/7 + 7 3/14=

Eric and six friends spent a day at the musement park at the end they decided to pair up for roller coaster rides so that each friend would ride with each others exactly once how much rides would be taken

2 (x-3) = 14 -5 (x-1) = 40 12 (X+20) = 24

Let X be the number of independent Bernoulli trials performed until a success occurs. Let Y be the number of independent Bernoulli trials performed until 5 successes occur. A success occurs with probability p and Var (X) = 3/4 Calculate Var (Y)

Mrs Frazier is making costumes for the school play. Each costume requires 0.75 yards of fabric. She bought 6 yards of fabric. How many costumes can Mrs Frazier make?