How do you do this problem 2/5+4a=-6/5 what does a = to?

Find the total area for the regular pyramid ( follow the answer set up in the picture)

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?

Iwill give you ! what is the measure of ∠v ?