Brenda is 4 years older than Walter, and Carol is twice as old as Brenda. Three years ago, the sum of their ages was 35. How old is each now?

The temperature at a mountain base camp was - 4 degrees Celsius on Saturday. Sunday morning, the temperature was 2 degrees Celsius lower than what it was on Saturday.

12+7+5x in the expression above there are three terms-)

Use the properties of exponents to rewrite the expression. (-3yz) (-3yz) (-3yz) (-3yz)

Write the area A of a square as a function of its perimeter P ...?

You are a pirate captain trying to determine how long it will take you to get to an island where you expect to find buried treasure. You are heading due North, toward the island. 60° West of North, you spot a light house.

A researcher is running a study to determine how employees of a certain company commute to work. In order to complete the study, the researcher selects a sample of 300 employees of this company and records their means of arrival on a specified day.

How can a decimal be converted into a percentage?

A car is traveling at 60 kilometers per hour. How many kilometers does the car cover in 7 hours?

Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. x + 7 - 4x^3

Trapezoid: b1=3 m; b2 = 4m A = 7 m2 What is the missing dimension