During a bike racing contest richard covered 2 1/2 laps and charles covered 7 7/8 laps did they cover 10 laps together if they went over 10 laps how many extra laps did they cover if not how many more laps did they they need to reach? show your work and explain.

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

How to use order of operation in 20 divide by 4 multiply 5 = 1