A school's two sports fields, field A and field B, both have dimensions x yd by x yd. The school decides to make field A and field B each 5 yd wider, and to make field B 10 yd longer. Find a simplified expression for the ratio of the new area of field B to the new area of field A. Find the value of...

Can any one tell me how does 30+30×0+1 equal 31

I am having trouble with this problem I have been trying to work on it for at least an hour now an found nothing. I just need help getting the two equations started. Please and thank you! Flying with the wind, a bird flew 13mi in half an hour. On the return trip against the wind, it was able to...

Getting the x by itself 3(x-2)-(x+5)-2(3-2x)=18 I need step by step I have to show my work thanks a lot I'm very confused right now

Larry takes 1 1/2 times as long to go 72 miles upstream as he takes to go 72 miles downstream. If the speed of the boat in still water is 30mph, what is the speed of the current? The answer is provided for this one as 6mph, but I don't even know where to begin in setting it up. Help?