A straight line has gradient −2 and passes through the point (−3,10). Work out the equation of the line.
Give your answer in the form y=mx+c
(2 marks)

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Use this graph to find the cost of 6 show tickets