How do you find the vertex and the axis of symmetry of the equation? y = 2x^2 + 28x - 10

On a piece of paper graph f(x)=5•(0.4)^x

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

What is the relationship between all triangles that can be drawn given the same three angles