The measure of Z1 is 30 degrees less than twice the measure of Z2. What is the measure of Z1?
What is the measure of Z2?

For which pair of functions is (gof)(a)=|a|-2?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

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.