It is thought that the score on a particular math test is dependent on the number of hours spend studying and that the equation
used to describe the score is: y = 50 + 3.5x. A student who studied for 6 hours earned a score of 82. What is the residual for this score?

Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180