The lengths of the sides of a triangle are 3, 3, 35. can the triangle be a right triangle?

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

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?

Which ordered pair is a solution of the equation? 2x+3y=10