a.) m² - 5m + 3 = 0
b.) b² = 149
c.) 1/2h + 9 = 0
d.) 10x² - 26 = 0
e.) 2c + 3d = -5
f.) 8d – 4 = 24
g.) 4t – 1 = 10
h.) a² - 11a + 121
i.) c = 10c - 5
j.) 2/3a² + 7a = 9
k.) 2f² + 4f + 8 = 0
l.) 3 – 5k = 15

Which of the given equations are linear?
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Which of the given equations are not linear? Why?