Which equation does the graph represent?
a) y = 2x
b) y = 1/2x
c) y = 1/2 + x
d) y = 2 + x

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

What is the value of x when x + 7 = 21?