1 Marco picked 8-pounds of apples at an orchard last weekend. He used
2
4
of the apples to make a pie for a party. Then, he used 3- pounds of
8
apples to make applesauce. How many pounds of apples does Marco have
left?
Write your answer as a whole number, fraction, or mixed number.
Simplify any fractions.

Please Help!

Pls! does anybody know a shortcut for answering these types of questions in the future?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297