Rewrite each expression so that the terms are in order of descending (greatest to least) degree a) 4a' - 6' + 9 - 3 b) 5x'y? - 4xy-by- &x+y c) 16m -- 2m - 9 d) 10ab + Table - 7a+ 2 e) 4x + 10 + 77 PLEASE HELP FAST ​

What is 32+4 x (16 x 1/2) -2 show your work}

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?