Achemistry lab needs to make 100 gallons of an 18% acid solution by mixing the 12% acid solution with a 20% solution. find the number of gallons needed of each solution

Which expression is rational? 6. , square root two, square root 14, square root 49

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit