What expression can be used to determine the total cost of buying m pounds of almonds for $2.75 per pound and s pounds of sugar for $0.74 per pound?

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.