What are the square roots of 144 over 256 ?
a.
minus 12 over 16 and 12 over 16
b.
minus 12 over 18 and 12 over 18
c.
minus 9 over 16 and 9 over 16
d.
minus 72 over 128 and 72 over 128

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Factor the polynomial. b^2 + 4b + 4