2.) julie's salary is 3 times jill's salary. together they earn $320 a month. find each girl's
salary.
unknowns:
- jill's salary
- julie's salary
write equation and solve:
jill's salary:
julie's salary:

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1