An oak log has a diameter of 16 cm and a length (height) of 42 cm. Find the volume. Use 3.14 for it. The volume is
(Type a whole number or a decimal. Round to the nearest thousandth as needed.)

Which of the following expressions are equivalent ?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.