Evaluate 5z^2 when z = 3 and when z = - 3

What is the difference between - and 9?

A die is rolled 30 times what is the probability of getting x even number

3. Which of the following items is an artifact? A. a gorge B. a culture C. a backpack D. an old clay pot omadic be

Solve - 7x^2+14x+21=0

Allen deposits $2,000 in his local bank earning 2 percent interest annually on his deposit. Jessica borrows $1,000 from the same bank and is charged an annual 7 percent interest rate.

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.