Maria drops a hammer from an apartment that is 30 meters above the ground. The
height of the hammer in meters, h, after t seconds is modeled by the function
h(t) = -t - 2t + 30. Find the approximate number of seconds it will take for the
hammer to hit the ground. Round your answer to the nearest whole number.

A.0
B.5
C.10
D.30

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

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?