The price of an oven was increased by 20% to £156. What was the price before the increase?

answer and get 20 points + thanks

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)