(6x² - x+1) - (-4+ 2x² + 8x) a. 8x² + 7x + 5
b. 8x² + 7x - 3
c. 4x² – 9x + 5
d. 4x² + 9x + 5

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Consider the first four terms of the sequence below. what is the 8th term of this sequence?