Which equation represents a line which is parallel to the line 7y-x=-56 y=-1/7+1
y=1/7x-1
y=7x-4
y=-7x-2

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?