While titrating 30mL of acid, the amount of base you used is 15 mL. What is the concentration of the acid?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

How can you find the mean absolute deviation (mad) for this set of data?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio