7a + 6c + 9a - 15c
-- Look for all the 'a's 7a, 9a
-- Addum up 16a
-- Look for all the 'c's 6c, -15c
-- Addum up -9c
-- Write the results 16a - 9c
4y - 8 - 2y + 5 = 0
2y - 3 = 0
2y = 3
y = 3/2
Answer:
Step-by-step explanation:
It would be 54 because 12*4.5 = 54.
Answer:
A
Step-by-step explanation:
because proportion is right vertical
Answer:
Last Choice / D
Step-by-step explanation:
you want to isolate v!
E = 1/2 m v^2
multiply both sides by 2
2E = mv^2
divide both sides by m
2E/m = v^2
square root both sides
v = ±
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