The sum of 8 and t, divided by 2?

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

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

8.74 rounded to the nearest whole number