Twelve more than a number divided by 3, is 9. find the number

In terms of x, find an expression that represents the area of the shaded region. the outer square has side lengths of (x+5) and the inner square has side lengths of (x-2), as shown. area: a1 x + a2 square units submit

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?

Borat elise said that the expression 2.6 x -1.3 x-4.5 is equivalent to 1.3x -4.5