Find the first, fourth, and eighth terms of the sequence. a(n) = –2 • 2n–1

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.