Katya and alec completed these steps to find the sum of
which best describes the correct sum?
3 and 1
katya
alec
katya is correct because 12 is the only common
denominator that can be used to find this sum.
© katya is correct because 10 is equivalent to and
is equivalent to 1
25x2 13
25+4 1+6
310 + 10
30-70
alec is correct because the common denominator is the
sum of 6 and 4.
alec is correct because it is equivalent to and is
equivalent to 7
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answer:

b

step-by-step explanation:

a is not correct as there are other common denominators that can be used for 3 and 4. e.g 24, 36..

b is correct as the fractions are equivalent

c is not correct as the common denominator can be a multiple of 6 and 4, not sum.

d is not as those fractions are not equivalent.

24 units

step-by-step explanation:

the correct answer is

c. 4

step-by-step explanation:

the given polynomial is

the degree of the polynomial is the highest exponent which is 4.

the -4 is called the leading coefficient.

this polynomial has only one term so it is a monomial.

the correct answer is option c.