Is it scalene isosceles or equilateral then write acute obtuse or right thx

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

Find the maximum value of p= 4x + 5y subject to the following constraints :