If a painting is 185 dollars and is marked up 125 percent, how much money is the markup, and what is the retail price?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?

What is the slope-intercept form for each equation in this system? compare the slopes and y-intercepts to describe the graph of the system. 3x - 4y = 28 4x + 10y = 20