Examine the diagram of circle P, where diameter CD¯¯¯¯¯¯¯¯ bisects chord AB¯¯¯¯¯¯¯¯ at point N. The diagram as described in the problem. © 2016 StrongMind. Created using GeoGebra. Nestor is about to write a proof that CD¯¯¯¯¯¯¯¯⊥AB¯¯¯¯¯¯¯¯. Which statements are true? Select all that apply. m∠APB=30∘ m∠APB=90∘ m∠BNP=45∘ m∠BNP=90∘

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?