Can someone explain this sum to me n = (12x21) / 7=12x3=36

Is 3 1/5 greater than 1

Which one is heavier a pound of feathers or a pound of lead?

Myrtle needs to borrow $200 and is hoping to get a payday loan with an annual percentage rate (apr) of less than 50%. if a company charges her $30 in fees for the loan, what is the minimum loan term needed that would give myrtle her desired apr? a.

Terri and josh Goldman had a pottery stand at the annual craft fair. They sold some of their pottery at the original price of $10.50 each but later decreased the price of each by $3.00. If they sold all 85 pieces and took in $757.

Which phrase describes an unknown or changeble quanity?

A person in the audience of a game show has a 14% chance of winning free movie tickets. What is the chance that a person in the audience may not win free movie tickets?

Solve another division problem that has a quotient of 3 and remainder of 12

Is y=-4+3x^2 maximum of minimum

What is 4 6/8+11 1/3

Triplets Adam, Bruce, and Charlie enter a triathlon. If there are 9 competitors in the triathlon and medals are awarded for first, second, and third place, what is the probability that at least two of the triplets will win a medal?