Abag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles
what is the probability that you choose a red marble and then a green marble assuming you replace the first marble?
a) 1/24
b) 5/72
c) 5/66
d) 5/6

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

Equation for the calculation double 2 and then add 5

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.