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X + y = 32 . . . . . . . . (1)
x - y = 6 . . . . . . . . (2)
(1) + (2): 2x = 38
x = 19
Answer:b
Step-by-step explanation:
7^2 x 3.14 = 154 inches^2
42% of 100 is 42 so 42% of is half of the first answer, therefore the answer is 21.
