30 ! (jim is showing his work in simplifying (−8.5 + 6.1) − 1.3. step 1: (6.1 − 8.5) − 1.3 step 2: 6.1 − (8.5 + 1.3) step 3: 6.1 − (9.8) step 4: 1.1 which statement is true? in step 1, jim used the associative property. in step 2, jim used the distributive property. in step 3, jim used the commutative property. in step 4, jim's answer is incorrect.

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

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.