Which expression is equivalent to |-5| + |3|?

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Find dy/dx using implicit differentiation ln(20+e^xy)=y

50 points~ ! i have to turn this in tomarrow