A blue whale traveled 31 1/2 miles in 2 1/4 hours. what was the whales rate in yards per hour?​

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.