A projectile is thrown upward so that its distance above the ground after t seconds is h = -16t2 + 608t. After how many seconds does it reach its maximum height?

38 s
19 s
28.5 s
9 s

rounding to the nearest thousandth would be 452,000

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

- (2, -7)

- lines r and s and lines t and u must be parallel