C) They satisfy equation A but not equation B
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EXPLANATION
4y - 3x = 16
4(0.25) - 3(-5) = 16
1 -3(-5) = 16
1 + 15 = 16
16 = 16
-x - 8y = 3
-5 - 8(0.25) = 3
-5 - 2 = 3
-7 = 3
Doesnt solve equation B
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Answer:
8
Step-by-step explanation:
1/2 x 4^2 = a
4^2= 16
1/2 of 16 = 8
Answer:


Step-by-step explanation:
The figure is composed of 3 Right triangles. To find the values of the variables x and y we use the Pythagorean theorem to propose one equation.

Now we solve for x


Let's call z at the angle opposite to y
Then we have that:

Where





Now we use this angle to find the length y

Where in this case






Answer:
Choice 2: sin g = x/z
Explanation: See attached image.