Find the least common multiple of 9, 3, and 4

Why does the sum of all probabilities of any experiment always end up as 1?

What is four fifths subtract two thirds

Monique collects data from a random sample of seventh-graders in her school and finds that 4 out of 8 seventh graders participate in after-school activities.

Juan brings grapes to school to eat for a snack. If Juan eats 44 grapes during snack time, and he now has 48 grapes left in her bag, how many grapes did Juan start with?

One crew can seal a parking lot in 8 hours and another in 10 hours. How long will it take to seal the parking lot if the two crews work together?

Kristen bought a package of 8 chocolate cookies. Each cookie weighed 0.6 ounces. How much did the 8 cookies weigh all together?

What is the decimal 4.588 rounded to the nearest tenth

The second group of trainee astronauts are all sitting around the table, waiting to start their first day of training. From the clues given below, can work out where everyone sits? Note: Seat 1 is next to Seat 2 and Seat 8, etc.

How many triangles can be constructed with angle measurements 90°,45°,50° ?

What is the answer to 7 y - 1 equals 5 y + 9