A bag with 8 marbles is shown below. 4 gray 3 black 1 white A marble is chosen from the bag at random what is the probability. That it is gray or black? Write your answer as a fraction in simplest form

How would you write the phrase that represents the expression 21 (x-7

a trapezoid has an area of 114.5 square feet. One base is7.9 feet long. The height measures 10 feet. what is the length the other base

7 less than 5 times a number

Is $24 saved after 3weeks equivalent to$52 saved after7 weeks

In how many ways can you write 3:4 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.