Describe, in your own words, the identity
sin^2(x) + cos^2(x) = 1.

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

the equivalent expression are always the hardest ones but you look at the gcf also

step-by-step explanation:

if x = 1, then the answer is 3.5

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.