If s²=19, what is the value of (s+1) (s-1)

Ms. graves gave her class 12 minutes to read. Carrie read 5 1/2 pages in that time. At what rate, in oages per hour, did Carrie read? a. 1 1/10 < one and one tenth b. 22 c. 27 1/2 d. 66

Courtney works at a shop making candy. It takes her 1 1/4 hours to make 15 candies

What strategies can i use to solve a division problems with whole numbers?

A scientist is studying wildlife. She estimates the population of bats in her state to be 270,000. She predicts the population to grow at an average of 2.9%.

The sum of three consecutive numbers is 78, what are the numbers? using algebra (the first number is n) x + (x+2) + (x+4) = 78 right? but where does the 2 and 4 come from

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.