There are two numbers, one is 7 more than twice the other. the sum of the numbers is 43.

the numbers in ascending order

is it 31, 12?

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?