<span>68=-16t2+64t+8
16t2-64t+60=0
4t2-16t+15=0
(2t-5)(2t-3)=0
t=5/2 or 3/2
The object is at 68 feet after 3/2 secs, and returns to 68 feet after another second..</span>
Answer:

Step-by-step explanation:

Answer:
its 4
Step-by-step explanation:
Answer:
cnc machining can include a lot of maths in it
The same as the greatest number that can be written
with 10 binary bits: <u>1,024</u>