What is the length of bc, given that figure abcd is a rectangle?

Which graph represents the following piecewise defined function?

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

According to the data set, where should the upper quartile line of the box plot be placed?