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?

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

answer: 819.89 miles across america

step-by-step explanation: