Simplify:
a. –p(8p2 + 3p) b. (4s + 5)(7s2 – 4s + 3)

c. (y – 6)(3y + 7) d. (x – 2)(x + 2)

do all of them and show all your work!

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

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