Graph each relationship in the my notes section to the right. determine
if the relationship is proportional or not proportional. explain your
reasoning
a.
number of hours, x
total cost ($), y
2
15
4
25
6
35
8
45
9
50
number of hours, x
total cost ($), y
2
6
4
12
6
18
8
24
9
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Which triangles area would be calculated using the trigonometric area formula

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?