David has $9.39 but needs $15.00 to make a purchase. How much more does he need?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

The graph shows the distance kerri drives on a trip. what is kerri's speed?

Put the equation in slope intercept form by solving for y