Marge purchased х
bicycle helmets and
у
tire pumps. Each helmet cost $15.00 and each pump cost $7.00. She purchased a total of
21 items and spent $219.00. How many helmets did Marge buy?

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

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.

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled

the first one

step-by-step explanation:

just id the test.