1) 4a^2-16ab^3+8ab^2c
2) n^2+8n+15
3) g^2-9g+20
4) z^2-7z-30
5) 4y^3-36y

Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.