Answer:
51
Step-by-step explanation:
they are congruent so they are equal to eachotjer
Answer:
27
Step-by-step explanation:
a + b = 7
a - b = 3
2a = 10
a = 5
b = 7 - 5
b = 2
3⁵ / 3² = 3³ using law of indices
3³ = 27.
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Answer:
9
Step-by-step explanation:
12 x 3/4
36/4
9