Will give find the average rate of change for f(x) = x^2 + 9x + 18 from x = 10 to x = 20. a) 33 b) 37 c) 39 d) 41

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?