PLEASE HELP!! Which sequence is generated by the function f(n + 1) = f(n) – 2 for f(1) = 10?

–10, –12, –14, –16, –18, ...
–2, 8, 18, 28, 38, ...
8, 18, 28, 38, 48, ...
10, 8, 6, 4, 2, ...

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?

Can someone me with this? i’m not sure what to put for my equations.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never