Arectangle has 4 1/2 inches and a width of 2 3/4 inches. what is the area of the rectangle , in square inches

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).