Answer:12+12 Step-by-step explanation:
24
The differences between he numbers are 19, so the answer is 58 + 19 = 71
2 1/2 for $6.25 is the answer
For me personally, the easiest way to do this is by isolating the x² term, and finding the square root of both sides. The hardest way (well actually, the longest way) would be to use the quadratic formula. It just complicates things unnecessarily.