Alex can cut a cord into 7 pieces in 36 seconds. How long will it take him to cut the cord into 12 pieces?

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')