Quadratic Equations/Word problems?

Find the roots using the quadratic formula. a)3x2 – 2x + 5 = 0 b)2t2 + 6t – 3 = 0 Two quick word problems a)Larry drove 195 miles in 1 hour more time than it took Terrell to drive 134 miles. Terrell drove at an average rate of 2 miles per hour faster than Larry did. How fast did each one travel? b)A retailer bought a number of special mugs for $48. Two of the mugs were broken in the store, but by selling each of the other mugs for $3 above the original cost per mug, she made a total profit of $22. How many mugs did she buy and at what price per mug did she sell them?