Write the phrase as an algebraic expression and simplify if possible let x represent the unknown number The sum of 5 times a number and - 4, added to 7 times the number

49xy +34y - 72z. determine the degree of the polynomial

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.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?