I believe C is right, he is adding 5 words each month, although I could be wrong.
9: the answer is 4 to 13
10: the answer is 6 to 13
The Pythagorean trigonometric identity is a trigonometric identity expressing the Pythagorean theorem in terms of trigonometric functions. Along with the sum-of-angles formulae, it is one of the basic relations between the sine and cosine functions.
<em>Answer: 42 + 18b</em>
<em>Hello!</em>
<em>____________________-</em>
<em>6(7 + 3b) = </em>
<em>42 + 18b</em>
<em>Step-by-step explanation: Simplify the expression.</em>
<em>Hope this helped you!</em>
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Answer:
∠ Y = ∠ V
∠ Z = ∠ W

Step-by-step explanation:
It is given that Δ XYZ is similar to Δ XVW.
Since corresponding angles of similar triangles are equal,
∠ X = ∠ X
∠ Y = ∠ V
∠ Z = ∠ W
Also, since corresponding sides of similar triangles are in proportionate,
