9a-3a+4, In other words, 9a subtracted by 3a added in 4. Does anyone know the answer?

The length of a ribbon is 3/4 meter. Sun Yi needs pieces measuring 1/3 meter for an art project. what is the greatest number of pieces measuring 1/3 meter that can be cut from the ribbon? How much ribbon will be left after Sun Yi cuts the ribbon?

a ruby throated hummingbird is about 4 in long and is it noted for its annual non-stop migration of 500 miles across the Gulf of Mexico and for the rabbit flopping of its wings some hummingbirds flap their wings 55 times per second if the

2/7+2/5=answernin simplest form

You give 1/3 of a cake to valerie and 1/6 of the cake to Patrick. How much of the cake did you give away?

How to find numbers between 0.22 and 0.23

Hiroki wrote a number that is the opposite of - 3. What number did Hiroki write? A. ⅓ B. 3 C. 0 D. - 3

A rectangular prism is 6 meters long and 3 meters high. It's volume is 72 cubic meters what is the width of the rectangular prism

Natasha is setting tiles along the baseboard in her bathroom. one side of the bathroom is 18 3/4 feet. each tile is 1 1/2 feet long. how many tiles does she need for this section.

How do you Simplify this expression in algebra? 9x + 2x (5 + 4) - 2 (5x + 4x)

A school sponsors a competition for 78 students. The students work a total of 8970 math problems in 4 hrs. Each student works the same number of problems how many problems does each student work