chemistry a scientist wants to make 6 milliliters of a 30% sulfuric
acid solution. the solution is to be made from a combination of a 20%
sulfuric acid solution and a 50% sulfuric acid solution. how many milliliters of each
solution must be combined to make the 30% solution?

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

With alll of except for the 2 that i did already

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle