7what is the value of the expression -3x^2 y +4x when x = -4 and y = 2

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?