Which of these are accepted as true without proof?

A. Experiments

B. Opinions

C. Postulates

D. Theorems

Solve: 19.2 x + 3 = 4.6 3x - 5

Paden pays $2.10 for 5 1/4 pounds of bananas. Alyssa pays $3.25 for 6 1/2 pounds of bananas. Which is a better buy?

If one out of 12 students at a school share locker, how many share a locker out of 456

Circle the number742. What number is 4 tens more? Circle it

Solve the proportion for N: 5/12 = 35/N 7/18 = N/9 An electrician pays 2/5 of the amount he charges for a job for supplies. If he was paid $240 for a certain job, how much did he spend on supplies? Bright Ideas purchased 1,000 lightbulbs.

What is 20% more than $960

A grocery store bought yogurt for $2.60$ 2.60 per container and stored it in two refrigerators. During the night, one refrigerator malfunctioned and ruined 1414 containers. If the remaining yogurt is sold for $4.08$ 4.

What is 8 times 10 to the third power

Archie is itemizing deductions on his federal income tax return and had $1700 in non-reimbursed work expenses last year.

1. what is 60% of 50? 20 or 30? 2. 50% of 40? 20 or 30 3. 12% of 50? 20 or 30