How much of a 12% saline solution should be mixed with a 20% saline solution to obtain 168 ounces of a 15% saline solution? A. 84 ounces of 12% and 84 ounces of 20%

B. 98 ounces of 12% and 70 ounces of 20%

C. 100 ounces of 12% and 68 ounces of 20%

D. 105 ounces of 12% and 63 ounces of 20%

chase is right because he already been to the swings and he know how far it will be to get there

step-by-step explanation:

answer: b

step-by-step explanation:

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh