Avendor has 30 umbrellas to sell. he sells them for $20 each. the function m(u) = 20u models the total amount of money the vendor makes from selling u umbrellas. what are the practical domain and range of the function?

Find the roots of the equation below. x^2 - 6 + 9 = 0

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.

Predict which statements are true about the intervals of the continuous function. check all that apply