Come answer this 30 points and brainliest
pls give step by step

Step-by-step explanation:

original quantity = 10 mL

new quantity = 22 mL

amount of change = 22 - 10 = 12 mL

(12 mL)/(10 mL) = 1.20 = 120%

y = - 6

step-by-step explanation:

given the point (- 2, y) lies on the graph then it is a solution of it's equation.

substitute x = - 2 into the equation for value of y

y = 3(- 2) = 3 × - 2 = - 6

the point on the graph is (- 2, 6)

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.