Solve. d + 8 < 35 a. d < 27 b. d < 43 c. d < –27 d. d < –43

1. are the triangles similar and if so why? what is the value of x? show your work.

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30