Evaluate the expression x2 • x1 for x = 9

What's the relationship between ratios, rates, and proportions?

Given the arithmetic sequence where a1=6 and a5=-6 what is a3

Write an expression to represent: Four minus the product of one and a number x

The tuition at a certain college was $18320 last year. if the tuition increased by 5.1% from last year to this year, determine the tuition this year

Traveling with a speed of 70 kilometers per hour, a car covered a distance s in t hours. Using a formula, express the dependence of s on t; using the formula, find the distance the car traveled between 3 hours 30 minutes and 5 hours.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.