The body weight of a new-born infant is given by y = 5.81 +2.28lnx lbs, x weeks after birth. At how many weeks old will his/her weight reach 15 lbs?
The above problem can be solved using which TI-84 calculator command below?

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

The value of cos 30° is the same as which of the following?