Are rational numbers closed under addition, subtraction, multiplication, and division?

14. Solve: 3x² + 5x - 12 = 0 B. 4-3 C. 8, - 18

Half an avocado has about 160 calories. How many calories do a dozen avocados have

Nam has a bag of 8 chips numbered 1 to 8. He will perform an experiment to model the theoretical probability of pulling a chip with the number 6. Select from the drop-down menus to correctly complete the sentences.

There was a population of 240 moose in a National Park. After a year, the population increased by 25%. How many moose are there in the park now?

If 3/4 of a stick of butter will make 10dozen cookies, how many sticks of butter will be needed for 3 dozen cookies

does it matter what interval you use when you find the rate of change of a proportional relationship? Explain.

Why can't a triangle have more than one obtuse angle

Riley is building a fence for his garden that is 20 1/2 feet long and 5 feet wide. what will the area of the fence be?

Solve for x Y^2+x^2=7^2

The decimal i am thinking of is 3 hundredths less than 3 tenths. What is my decimal