Gary and Gwen work at the same shop. Gary's hourly salary is $5 less than twice Gwen's hourly salary. The sum of twice Gary's salary and 3/4 of Gwen's salary is $45. Find their salaries. Can someone write an equation for this?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes