PLEASE ANSWER THIS, IT IS A TIMED TEST, AND I WILL GIVE BRAINLIEST. Find all real zeros: h(a) = 4a ^ 4 - 4a ^ 3 - 81a ^ 2 + a + 20

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

|z| > (1/2) {-1/2, 1/2} {z|(-1/2) < z < (1/2)} {z|z < (-1/2) ∪ z > (1/2)}

90.0% complete a b c d e confirm last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6 hours 53 minutes on friday. what was your average time for a delivery run?