Answer:
19
Step-by-step explanation:
y=2×8+3
=16+3=19
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Answer:x=-8
Step-by-step explanation:subtract 21 from both sides then simplify 31-21 to -8
Answer:
B. x = 7, y = 4√2
Step-by-step explanation:
Drop a vertical from the upper left corner
This creates a rectangle and a 45-45-90 triangle
The bottom of the rectangle is 3
The legs of the triangle are 4
Therefor
x = 4 + 3
x = 7
For a 45-45-90 triangle
the hypotenuse = leg * √2
y = 4√2
Answer:
The first story goes to C
The second story goes to B
The last story goes to A
Step-by-step explanation: