Use the distributive property to multiply (2 w + 7)(2 w - 7).
1 answer:
Answer:
Step-by-step explanation:
Expand (2w+7)(2w−7)
2w(2w-7)+7(2w-7)
2w(2w)+2w*-7+7(2w-7)
2w(2w)+2w*-7+7(2w)+7*-7
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Hello I hope this helps. I'm pretty sure this is the answer.
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Multiply 120 times .7 because you just Turn the percent into a decimal
Answer:
m∡ZA = 51°
m∡ZB = 39°
Step-by-step explanation:
∡ZB = 'b'
∡ZA = '12 + b'
b + 12 + b = 90
2b + 12 = 90
2b = 78
b = 39
12 + 39 = 51
Answer:
1.02
Step-by-step explanation:
