What is 4 over 5 - 1 over 6 i have 30 - 30 but i dont know how to find what goes 30

A washer and a dryer cost $450 combined. The cost of the washer is two times the cost of the dryer. What is the cost of the dryer?

4 people jogging 5 more walking than jogging how many people are walking

Explain how to make a ten to find 8+6

Convert 0.9% glucose solution to g/100ml

How can surface water become groundwater

john is 2 years more than twice as old as david. the sum of their age is 14, find the age of each child

The ratio of men to women working for a company is 5 to 4. If there are 96 women working for the company, what is the total number of employees?

0.884 in standard form

Write a function that represents a parabola that opens upward and has a vertex of (9,11)

A local gaming club has more than 2 but fewer than 20 members. Every member of the group purchased a signed copy of the latest book from the legendary Dumas, for a grand total of $299.