What is the vertex of this quadratic function?

h(x) = -5(x + 7)2 + 11

a.
(7,11)
b.
(7,-11)
c.
(-7,-11)
d.
(-7,11)

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?