Maria buys 2 dozen pens at $7.20 a dozen. she then sells the pens at 80c each. calculate her profit

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

Ineed to find the answer to number 2

Need asap i will give brainliest and 98 points classify each pair of numbered angles corresponding, alternate interior, alternate exterior or none o these