The ratio of rock music to total cds that ella owns is 25/40. paolo has 50 rock music cds. the ratio of rock music to totals cds in his collection is equivalent to the ratio of rock music to total cds in ella's collection. how many cds do they own? a) 65 b) 80 c) 120 d) 130

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14