9x10² is blank times as much as 3x10-²

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?