Help me on question 12 and 13 please!! ill giveextra points

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

What does independent variable and dependent variable mean in math?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?