Statistics:
a recent study indicates that the annual amounts of alimony received by women are normally distributed with a mean of $4000 and a standard deviation of $7500.
find p_{70}

i know the correct answer but i would like to know how to do the problem, !

Which is the graph of the function y=2(4)^x

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.