Write and equation that passes through (7,10) and is perpendicular to the line y=1/2x-9

What is the rotational symmetry of a wheel

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

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