Tired of being single, but how do u do this problem?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Write the factored form of this trinomial 9x^2+18x-7

*15 pts* the graph of an exponential function of the form y = f(x) = ax passes through the points and the graph lies the x-axis. first line choices: (0, a) (0, 1) (0, 2) (0, -1) second line choices: (1, 0) (1, a) (1, 1) (1, -2) third line choices: above below on the