You burn 20 calories per minute biking for x minutes and 10 calories per minute walking for y minutes. You can spend a total of 90 minutes biking and walking and burn 1300 calories. A.)write a system of equations to determine how much time you spend on each exercise.

B.) how many minutes did you spend biking?

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

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.

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t