In the diagram below of triangle NPQNPQ, RR is a midpoint of \overline{NP} NP
and SS is a midpoint of \overline{PQ}
PQ

. If RS=3x-18RS=3x−18, and NQ=7x-44NQ=7x−44, what is the measure of RSRS?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.