A diver dives from a 10 m springboard. The equation
f(t)=−4.9t2+4t+10
models her height above the pool at time t in seconds. At what time does she enter the water?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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?

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?