a laboratory technician needs to make a 72-liter batch of a 20% acid solution. how can the laboratory technician combine a batch of an acid solution that is pure acid with
another that is 10% to get the desired concentration?

the laboratory technician can combine__ l of the pure acid solution with __ l of the
10% acid solution to get the desired concentration

Give the functions f(x) = |x + 2| - 3, what is the domain? a, b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

The measure of angle 0 is 600 degrees

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z