HELP

Divide the polynomial by the monomial.

21xy^2+ 15x^3y - 12z^2y
over 3x

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120