A credit card company charges 19.9% interest on all purchases. How much interest will be added to a bill of $289.47? please show work

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle