Factorizar las siguientes ecuaciones del tipo x²+bx+c: x² - 2x - 15

a² + 3a - 10

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Hilary decided to purchase 3 points in order to lower her interest rate on her $140,000 mortgage. how much additional money does she need to bring to closing? a. $4200 b. $4000 c. $6 d. $400

In 2000 the average price of a football ticket was $48.28. during the next 4 years, the proce increased an average of 6% each year.a) write a model giving the average price (p), in dollars, of a ticket (t) in years after 2000.b) graph the model. estimate the year when the average ticket price was about $60