If x = 18 inches, y = 80 inches, and z = 82 inches, what is the cosine of b?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Write the expression 7x^3-28xy^2 as the product of 3 factors

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.