If the unit selling price is 2.50 and the unit cost is $1.00 what action is need to maintain the gross margin percentage when unit cost increases $0.25

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

How do you summarize data in a two-way frequency table?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq