A ball is tossed into the air at 30 feet per second from a height of 7 feet. How long will it take the ball to reach the​ ground? Use the formula s=16t^2+vt+s ​, where ​velocity, initial ​altitude, and in feet after t seconds.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

answer is  

a.

p = 78

step-by-step explanation:

11  

13

15

hope this

there are a some missing symbols and signs and it makes it difficult to comprehend the answer

step-by-step explanation: