 , 23.04.2019 21:01 chrissycherry

# If a/4 = 9/a, then a. a2=36 b. 4a = 9a c. a + 4 = 9 + a d. a - 4 = 9 - a ### Another question on Mathematics Mathematics, 04.02.2019 22:03
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If a/4 = 9/a, then

a. a2=36
b. 4a = 9a
c. a + 4 = 9 + a
d. a - 4 = 9 -...
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