Cho tam giác ABC. Trên tia đói của tia AB ta lấy điểm E sao cho AE=1/2 AB và trên tia đối của tia AC ta lấy điểm D sao cho AD=1/2AC. a/ Chứng minh ED//BC
b/ Chứng minh DE=1/2 BC

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q

Which shows a reasonable estimation for 124% of 42 using the distributive property?