4. Fernando graphed a scatter plot of the number of hours he drove his car (x) and the distance traveled (y). He drew the line and calculated its equation to be y = 39.4x + 12.2 . trend What is the predicted distance Fernando will drive if he drives for 1.25 hours? A. 49.25 B. 51.60 C. 61.45 D. 70.21

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form