For each ordered pair determine wether it’s a solution to 9x+2y=13

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

A. 120 degrees b. 90 degrees c. 30 degrees d. 60 degrees