Find the product

1. (x + 7) (X + 8)

A single-cell amoeba doubles every 3 days. how long would it take on amoeba to produce a population of about 10,000 amoebae?

Nano purchased a computer for $800. If the sales tax rate was 8%, how much in all did he pay for the computer? $836 $848 $864 $872

Find the sum of -3/8+1/2

Write an inequality that represents the following phrase: 5 multiplied by the sum of x and 2 is at most 30

Two companies working together can clear a parcel of land in 7 hours. working alone, it would take company a 4 hours longer to clear the land than company b. how ong would it take company b to clear the parcel of land alone

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.