Find the cosine for angle A

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.