Work out the perimeter of a semicircle with radius 3cm

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years