Free the x in x/5 by rewriting division as multiplication. make sure your answer if fully simplified

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Asequence is defined recursively by the formula  f(n  +  1)  =  f(n)  +  3 . the first term of the sequence is  –4. what is the next term in the sequence? –7–117

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.