Answer:
C) If the perfect square terms are A^2 and B^2 and other terms must be 2 AB and -2AB
Step-by-step explanation:
As,

64%
16g of copper / 25g total weight = .64g of copper
Answer:
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Hope helps mate ❤️
Answer: Part A An equivalent expression of 4(a + 12) + 5(8) is 4a + 4(12) + 5(8)
or 4a + 48 + 40
Part B: using 15 in place of a, the Rodriguez family spent $148 on tickets.
Step-by-step explanation: We can use the distributive property to create equivalent expressions.
Part B: Substitute 15 in place of <em><u>a </u></em> and do the calculations
4(15 + 12) + 5(8)
60 + 48 + 40
148