Can u piz do all of number 1 aka a, b,and c

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.