What is the value of x 3 ⋅ y 4 x 3 ⋅y 4 x, cubed, dot, y, start superscript, 4, end superscript when x = 3 x=3x, equals, 3 and y = 0 y=0y, equals, 0?

The actual width ( w) of a regulation soccer field is 90 meters (m), and the actual length is 120 meters (m). a coach has drawn a scale model of the field on a blackboard. if the longest side of his drawing is 18 cm, how long is the other side of the drawing( w)?

Find the difference (8ab+a+2) - (3ab+6)

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 : /