The vertices of a triangle are A (−1, 3), B (7, 9), and C (15, −3). Find the coordinates of the center of balance of the triangle. PLEASE HELP ME

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Can someone tell me if this is perpendicular? !