Use pascal’s triangle or the binomial theorem to find the coefficient on the x term in the expansion of (x+3)^5

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?