The graph shows that while it was being filled amount of water in gallons in a swimming pool was approximately proportional to the time that has passed in minutes
a. about how much water was filled in the pool after 25 minutes
b. approximately when were there 500 gallons of water in the pool
c. estimate the concert of proportionality for the number of gallons per minute going into the pool

For how answer my question this will be the last question can you answer in math subject

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!