What is (81x^2 - 4y^2) square units factored?

An outside thermometer reads - 5 degrees at 8:00 a. m. By 12:30 p. m. the temperature outside has increased by 11 degrees. At 12:30 p. m. the temperature inside Susan's house is is 7 degrees more than 11 times the outside temperature.

In year 7 of a large comprehensive school is it possible to divide the pupils into equal sized classes of either 24 or 30 or 32 and have no pupils leftover. find the size of the smallest entry that makes this possible.

You earned a 90% on my science test you answer 18 questions correctly how many questions were on the test

What must be true of f (x) and g (x) if both are antiderivatives of f (x) ?

Ursula says the distance between - 5.47 and 5.47 on a number line is equal to |-5.47|. explain her error

The population of a town was 26,000 in 2015 and 30,000 in 2017. Assuming an exponential model, what is the annual percentage increase in the population?

What is the slope of the line x=2

102 percent converted to decimal is

Which reason best explains why carbon is able to form macromolecules? Carbon is a very large element. Carbon can bond with many elements.

Choose the correct simplification of (3x^3y^2) ^2