Solve the problem (14 + 7 – 6) – 8 = ? a. 15 b. 21 c. 7 d. 23

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'