Applying the method of least squares, build a system of normal equations to accommodate the parameters in the following functions yt = t2 / (a0 + a1 t)

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

Of of at a : $6, $8, $7, $6, $5, $7, $5, $7, $6, $28, $30 is?ato .ato .ato .ato .