Gabriel is making a mixture of compost and soil to use for a special plant. he wants his final mixture to be 2 parts compost to 8 parts potting soil. he wants to end up with 12 kilograms of mix. how many kilograms of compost should he use?

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?

If twice a number is at least three less than four times the number, which of the following are true? let n represent the number.