Use the quadratic formula to solve the equation 3x^2+ 7x - 11 =0 You must show all your working and give your answers correct to 2 decimal places.

Rationalize the denominator- 12x/√x-10

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.

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?