3x + 15 = 4x + 12 25 POINTS, AND BRAINLIEST IF YOU'RE CORRECT!

Please help, I need a step-by-step solution. I don't understand how to do this, and I'm willing to learn.

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

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

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle