Solve the problem.How much pure acid should be mixed with 4 gallons of a 50% acid solution in order to get an 80% acid solution?
A. 6 gal
B. 16 gal
C. 2 gal
D. 10 gal
Answer: A
You might also like to view...
Solve the application problem.Doris has a rectangular fish pond 6 by 13 feet. She wants to put grass in a strip of uniform width around the pond. She has enough grass seed for 42 square feet. How wide can the strip be?
A. 3.5 ft B. 1 ft C. 2 ft D. 3 ft
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -3 + 5x2 - 4
A. opens down B. opens up
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 8x + 7
A. (4, 9); x = 4 B. (-4, -9); x = -4 C. (4, -9); x = 4 D. (-4, 9); x = -4
Provide the proper response.A student claims that 
always exists, as long as a and b are both positive. Refute this by giving an example of a function for which this is not true.
What will be an ideal response?