Answer:
12
Step-by-step explanation:
you have to add everything
Answer: It's an algebraic expression
Step-by-step explanation: k²- 11 is an algebraic expression.
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Answer:
A. 6
Step-by-step explanation:
Using the Pythagorean theorem which states that: <u>Hypotenus² = Opposite² + Adjacent²</u>
Where: hypotenus = 10, opposite = x, adjacent = 8
So:

Solving for x

Collect like terms to make x the subject of formula


square root both sides of the equation to find the value of x

Therefore: Option A is correct
Answer:
B
Step-by-step explanation:
29 + (-37) = 29 -37
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9xy2-6x2y+5x3. Change every sign in the equation as if you were multiplying each part by -1.