3. A pharmacist needs a blend of chemical containing 35% of manganese but she has one vial at 40% and another at 25%. How many of each must be mixed to provide 100 pounds of
35% manganese?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Which of the following tables represents exponential functions?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0