Coefficient of x^2 in expansion of (x+2) ^5?

The hypotenuse of a right triangle is 37 millimeters long. one leg of the right triangle is 12 millimeters long. what is the length of the other leg?

A bag contains 5 red marbles, two orange marbles, one yellow marbles, and two green marbles. Two marbles are drawn from the bag. What is the approximate probability of choosing an orange marble and a green marble?

How many even integers greater than two and less then 20 are equal in value to the sum of 2 prime numbers?

Which ordered pair in the form (a, b) is a solution of this equation? 7a-5b=28

Cameron has 2 video game holder stands each can hold 2 rows of 20 games write and evaluate a numerical expression to find the total number of games Cameron's video game holder stands can hold

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.