Answer:
The mean is 18
Step-by-step explanation:
a 7
because 4a + 7 - 7 35 - 7
equals 4a 28
and 4a/4 28/4
equals a 7
Answer:MARK BRAINLLEST MARK BRAINLLEST
(−5/2, 5/2√3)
it could be a formula ex- l times w = area