Simplify the expression 9n+ 18 (2n-6)+13

Janet is mixing a 15% glucose solution with a 35% glucose solution. this mixture produces 35 liters of a 19% glucose solution. how many liters of the 15% solution is januet using in the mixture? a. 25 liters c. 28 liters b. 7 liters d. 10 liters

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

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