Zoe and hannah share tips in the ratio 3: 7. last week, zoe received £24

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

What is the simplified expression for 6(2(y+x))

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12