A store owner has 12 pounds of pasta worth 70¢ a pound. She wants to mix it with pasta worth 45€ a pound so that the total mixture can be sold for 554 a pound
(without any gain or loss). How much of the 45° pasta must she use?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Ineed with math stuff it involves graphs

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.