Is the number 39 prime or composite and is the number 29 prime or composite or is the number 51 prime or composite.

Drag each scenario to show whether the final result will be greater than the original value, less than the original value, or the same as the original value. 1. a 25% decrease followed by a 50% increase 2. a 20% decrease followed by a 25% increase

Need on this one asap im almost done with this subject

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer