Expand and simplify (x-5) (x+7)

Find the difference. (3-4x) - 3 (2.4x-7)

the length of a rectangle is 11 feet more than its width. The area of the rectangle is 276 square feet. What are the dimensions of the rectangle?

In 2000, the population of a state was 6.8 million people and was growing at a rate of about 0.32% per year. At this growth rate, the function f (x) = 6.8 (1.0032) x gives the population, in millions x years after 2000.

Merchandise is ordered on November 10; the merchandise is shipped by the seller and the invoice is prepared, dated, and mailed by the seller on November 13; the merchandise is received by the buyer on November 18;

0.77777 as a fraction

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.