7tickets to a baseball game cost $65. how much do 5 tickets cost? show work, i'm having a total block in my brain rn.

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?