If the measure of the angles of a traingle are represented by 2x, 3x-15, and 7x+15, the traingle is
1 an isosceles triangle 2 a right triangle 3 an acute triangle 4 an equilateral triangle

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

If the value of cos330°is√3/2 then find cos 165°.