If the old sea ice level was 7 million sq. km in 1978 and the new sea ice level is 4.5 million sq. km in 2020, then what is the percentage change over the years?

Can you simplify 22/20

The sum of present age of Abe and the age before 7 years is 31. Find the present age of Abe. What will be his age after 7 years?

Factor the expression. Write your answer as the product of two binomials. x² - 13x + 42

In 1980, in Great Falls, Montana, the temperature rose from 32 °F to 15 °F in seven minutes. How much did the temperature increase

A cellphone company charges $45 for unlimited calls and $0.25 per text message. Another cellphone company charges $0.15 per text message and $70 for unlimited calls. Write an equation to represent when the cost from both companies will be the same.

Jake is building a fence around his property. He wants the perimeter to be no more than 100 feet. He also wants the length to be at least 30 feet longer than the width.

You have $3.70 in dimes and quarters. You have 5 more quarters than dimes. How many of each type of coin do you have?

What is the median and mean of: 7,13,10,7,16

Bryce has a rug that is 14 decimeters by 16 decimeters. Draw a sketch of Bryce's rug. Then find the area of his rug. Show your work and label the answer with the correct units.

3.14 and A cylinder has a height of 6 feet and a radius of 5 feet. What is its volume? Use A round your answer to the nearest hundredth. cubic feet