An employee's hourly raise went up from $10 per hour to $12 per hour. what is the rate of increase?

What is the equation of a parabola y(x) that has a vertex at point (− 1/3 , 0.3) and passes through point (− 2/15 , − 1/2 ).

The trigonometric ratios sine and secant are reciprocals of each other

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls