If x represents a number then write an expression for a number that is eight less then twice the value of x

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

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.