Subtract -7x^2+4x+2 from x^2-3

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?