Simplify the following polynomial expression: (5x4 - 9x3 + 7x - 1) + (-8x4 + 4x2 - 3x + 2) - (-4x3 + 5x - 1) (2x - 7)

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?

Find the value of x in the diagram below. select the best answer from the choices provided

20 ! identify the degree of comparison of the underlined adjective or adverb. read the sentence. for marley, spelling is the most difficult subject. which best identifies the degree of comparison of the underlined adjective or adverb? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-a. imperativeb. comparativec. superlatived. positive