I am unsure of how to solve this problem. I did 0.8x0.7 and got 0.56 or 14/25, but I was wrong. Someone help please!

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28