An observation tower is 75 m high. A support wire is attached to the tower 20 m from the top. If the
support wire and the ground form an angle of 46
degrees, what is the length of the support wire, to
the nearest tenth?

Factor this polynomial completely x^2-64

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.