Given that y varies directly with x and x = 15 and y = 5 , then find what x would equal if y = 20 .

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?

Which number produces a rationale number when multiplied by 1/5

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths