Aweatherman predicted 17 inches of snow. the town actually got 1 1/2 feet of snow. by what percentage was the weatherman's prediction off?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Solve for n? [tex]z = \frac{3}{4} mn[/tex]