Answer:
2.5 gallons of the 20% solution must be replaced by the 36% solution.
Step-by-step explanation:






Answer:
3
Step-by-step explanation:
if you draw a line y=2 will touch the graph in 3 points
Answer:
x=14 and y=7
Step-by-step explanation:
This is a 30-60-90 triangle
So in terms of x it would be
If across the 60 is
then y would be 7 which is across the 30 degrees
And x would be 14 because 2(7)=14
Answer:
12.56 m
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi *r
C = 2 * (3.14) * 2
C =12.56