Find the distance from the point (9, -2) to the line y= 3/2x+ 4. A)117 units
B)85 units
C)6 units
D)177 units

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.