On a sheet of graph paper using a scale of 2 cm to represent I unit on the x-axis and 1 cm to represent 1 unit on the y-axis, draw the graph of the function y = x+1 for values of x from 0 to 4.

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?