The radius of a sphere is 15 cm. Predict how much the surface area increases if the radius increases by 2 cm? Calculate the change in the surface area to the nearest square centimetre?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)