A semicircle has radius 5.6cm 5.6cm
(b) Work out the perimeter of the semicircle Please can somebody give me the answer and an explanation thank you .

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.