For an integer n, consider the open sentences p(n) : n(n + 1)(2n + 1)/6 is even. q(n) : (n + 1)2 (n + 2)2/4 is even. determine whether the biconditionals p(1) ⇔ q(1) and p(2) ⇔ q(2) are true or false.

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.

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.