20 is the answer for 4 times 5
The amount of sugar 
in the starting solution contributes to a 36% concentration, so we have
units of sugar in the solution.
Into this solution, Sharon wants to pour 
liters of water to obtain a smaller concentration of sugar in the overall solution:
So Sharon needs to add 
liters of water to the solution to get the desired concentration.
Answer:
25
Step-by-step explanation:
7^2+24^2=625 the sqr root of 625 is 25
Answer:
f(- 2) = 16
Step-by-step explanation:
Substitute x = - 2 into f(x), that is
f(- 2) = 5(- 2)² - 4 = 5(4) - 4 = 20 - 4 = 16
