Find the vertex and focus of the
parabola.
y2 – 4y + 12x – 8 = 0

Sum is 17 and their difference is 3

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?