Noah had 140 to spend on toys. He buys a train, a plane, and a toy car. That means he spent 20 on the train, 30 on the plane, and 10 on the toy car. How much does he have left?

How do i work this problem out using the equation a=pe^rt

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.