Last year she sold 108 cars this year her goal is to sell 250% as many cars how many cars must she sell to reach her goal

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

A+b= 17, ab=70, find the value of |a-b|