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3 years ago

Which expression is prime? A) x2 - 9 B) 1 - 9x2 C) 2a2 - 25 D) 4x2 - 9

Mathematics

2 answers:

mel-nik [20]3 years ago

4 0

I think the right anser would be (a)

Luden [163]3 years ago

3 0

Answer:

its c 2a2-25

Step-by-step explanation:

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What is the value of 3.2n when n=5

Lady bird [3.3K]

3.2n=3.2*5

3.2*5=16 the answer is 16

Hope this helps, have a great day!!

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7 0

3 years ago

1) Evaluate the following expressions.show your work <br> a) 7(m - 8) for m = -4

Akimi4 [234]

Answer:

-84

Step-by-step explanation:

Since m=-4, we can plug -4 into the expression and use PEMDAS

7(m - 8)

7((-4)-8)

7(-12)

-84

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3 years ago

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evablogger [386]

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8 0

3 years ago

WILL GIVE BRAINLIEST THANKS!!!

scoray [572]

Answer: B

Step-by-step explanation:

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3 years ago

Construct a triangle with the given dimensions:

lyudmila [28]

Answer:

Picture

Step-by-step explanation:

I am not sure if this is what you want

4 0

3 years ago

Read 2 more answers