What is the vertex of the function x2 - 14x - 95 = 0?

4+6x-3x^3 in standard form with explanations because i don’t understand

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?