20 tonnes of a mixture of sand and gravel is
30% Sand. How many tonnes
of sand must be added
to produce
a mixture which is 40%gravel?​

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.

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant

bdhfnfhjffjkfjfjfjjf