Write the equation of a line that is parallel to y=1/2x-4 and that passes through the point (9,-6)

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Is it true or false i’m trying to pass this test so i can leave school

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?