The difference of two numbers is 18, and their sum is 90. Find the number

Final grades are often computed using weighted averages. For example, Fran's teacher uses the following: homework 10%, quizzes 20%, and tests 70%. Fran has an average homework score of 92.

Bryan deposited $650 in a savings account that earns 6% interest compounded annually. If he does not deposit or withdraw any more money, how much money will there be in the account after 12 years?

Each day she's swim 720 m. how many kilometers does she swim each day?

What is the third quartile of this data set? 14,18,20,21,25,32,40,44,48

A sports jacket costing $129 is priced $11 more than twice the cost of a coordinated pair of slacks. How much are the slacks?

if you have 35 and you're friend gives you 35 more then someone takes 15 then you give 10 away and you ate 19 then you're friend gives you 23 more. how much you have now?

A triangle has sides with lengths of 10 cm 6 cm and 8cm is it a right triangle

A group of bike riders took a 4.0 hour trip. during the first 3.0 hours, they traveled a total of 50. kilometers, but during the last hour, they traveled only 10. kilometers. what was the group's average speed for the entire trip?

The product of a number and negative 16 is 64

Mark and his brother signed up for the Catch Up phone plan. They share the minutes every month equally. How many minutes can Mark use each day without going over his share of minutes?