What is b+3 over devided by 3 over b

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?