What does standard form mean

What number must be added to the expression below to complete the square? X^2-7x

Find your mass if a scale on Earth reads 650N when you stand on it.

A = x+y : 2 solve for y

If s (x) = x-7 and f (x) = 4x? - X+3, which expression is equivalent to (tos) (x) ? 04 (x-7) 2 - X-7 + 3 0 4 (x-7) 2 - (x-7) + 3 (4x2 - x + 3) - 7 0 (4x2 - x+3) (x-7)

Evaluate g (x) = 0.023x^3 + 0.4x^2 - 2.1x + 8.3 for x = 2 and x = 4.

25b the power of 6 - 4

What type of money is non convertible and has no intrinsic worth?

What is 2+3 (2x+1) + 2x+1

Write an algebraic expression for "5 times the difference of q squared and r plus 8 times the sum of 3q and 2r". Then simplify the expression and indicate the properties used.

What is 1 over 17 times 98