Express in the form n:1
Give n as a fully simplified fraction 20:15

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

The product of (7x-2) and (20-3x)/4. when x=4