3/5 is greater because the decimal is .6 while 21/40 is .525
Answer: (-1, -7)
Mhmmmmmmmm
The equivalent expression for (x + 4)^5 is 
The expression is given as:

To expand the expression, we make use of Pascal triangle, where:
5:= 1 5 10 10 5 1
So, we have:

Evaluate the exponents

Evaluate the products

Hence, the equivalent expression for (x + 4)^5 is 
Read more about binomial expressions at:
brainly.com/question/13602562
Answer:
The symbol ⊥ means is perpendicular to
Step-by-step explanation:
(brainliest)