28 each book 155-15=140 and then 140÷5=28
3 13/24 if you don’t know how to add two fractions, get them to a common denominator. The quickest way to find a common denominator is to multiply the two by each other. 1/6*8=8/48 and 3/8*6=18/48 add the two together to get 26/48 and then simplify it to get 13/24 and you cannot simplify this anymore. Then just add your whole numbers and you get your answer.
Difference-of-Squares Formula:
For a difference of squares a2 – b2, the factorization is:
(a – b)(a + b)
Answer:
True (also, 2log(x))
Step-by-step explanation:
log(x²)
log(x × x)
log(x) + log(x)
2log(x)