Aball is thrown straight up in the air from a height of 6 feet at a speed of 80 feet per second. the height of the ball in feet is given by -16t^2+80t+6 where t is the time in seconds. what is the height of the ball after 3 seconds?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Construct the graph that models the given situation

Tell whether the two rates form a proportion