3 (7x+9) = 21-1 classify the equation as having the one solution or infinitely many

True or false the gcf of two numbers is equal to the number to the lesser of the nymbers.

Which expression means 63? A) 6 * 3 B) 6 * 6 * 6 C) 3 * 3 * 3 * 3 * 3 * 3 D) (2 * 3) * (2 * 3) * (2 * 3)

A coin is flipped four times, and the result is recorded for each flip. How many possible outcomes are there for the experiment?

In a baseball league consisting of 4 teams, each team plays each of the other teams four times. How many games will be played? Ha There will be games played

What is the value of 3 1/2 - 9 3/4

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.