) A jewelry store purchases necklaces for n dollars each. The necklaces are then marked up by 20%, and customers are charged 5% sales tax on the selling price. The expression n +(20%times n) represents the selling price. Write and simplify an expression to represent the price a customer pays after sales tax is collected. Show your work. Explain the meaning of the expression

Factor the trinomial below. 12x^2 - 32x - 12 a. 4(3x+3)(x-1) b. 4(3x+1)(x-3) c. 4(3x+6)(x-2) d. 4(3x+2)(x-6)

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.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.