Tom has 7 more silver dollars than jimmy. together they have a total of 71 silver dollars. how many silver dollars does tom have?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142