HELP find the total surface area of the cone leave your answer in terms of pi 15 cm 8 cm

Find the amplitude of a sinusoidal function that models this temperature variation

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x