1500 as a mixed number, please help QUICK

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion