How many students earned A's B's or c's?

89
40
225
180

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Which parent function is an example of a piecewise function? answers: linear parent function quadratic parent function an exponential parent function absolute value parent function pls i’m sorry if this doesn’t make sense

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us