Δabc is located at a (3, 1), b (4, 4), and c (5, 1). zackery says that δabc is an equilateral triangle, while verna says that it is an isosceles triangle. who is correct?

Can someone with this one pre-calc question? the finishing time for a runner completing the 200-meter dash is affected by the tail-wind speed, s. the change, t, in a runner's performance is modeled by the function shown below: t= 0.0119s^2 - 0.308s - 0.0003 predict the change in a runner's finishing time with a wind speed of 3 meters/second. note: a negative answer means the runner finishes with a lower time. round to the nearest hundredth.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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