What is the the perimeter of a triangle in inches that has sides that are 6 inches 9 inches and 1 foot long

Y=4x^2+x-1 solve using quadratic formula

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?