Ineed with this problem. 50b^2+70b?

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

15/16 as a decimal rounded to the nearest hundredth