2 answers:
Answer:
It would be + and -
Answer:
Plus Sign (+)
Minus Sign (-)
Step-by-step explanation:
Each part of an algebraic expression which are separated by plus sign (+) or minus sign (-).
Note that the division sign (÷) or multiplication sign (×) does not separate the terms of an algebraic expression.
[RevyBreeze]
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Answer:
Step-by-step explanation:
(7√2)(3√3) = 7·3·√2·√3
= 21√(2·3)
= 21√6
Answer:
Let x and y be the two positive integers the Christopher is thinking.
x is equal to 7
and y =20
Step-by-step explanation:

4x^5 + 3x + 1...the ^5 makes it a fifth degree....and the leading coefficient is 4
252 is the answer for your question