I’m really dum man and help me pls

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14