Which equation is represented by the model?

x2–2x-3 = (x – 3)(x + 1)
x2 - 4x + 3 = (x – 3)(x - 1)
x2 + 2x + 3 = (x + 3)(x - 1)
x2 + 4x – 3 = (x + 3)(x + 1)

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

X+ y = 5 ; x - y =3 solve using linear combination

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation