Answer:
the 4th one
I guess
if this is the wrong answer then let me know
15 the doctor did not make a mistake because (the rule 5 and below don't round up 5 up round up)
16 nope becaue she took longer than the other girls to run the 200 meter dash
If we take the equation and multiply out the left side, we get....

+ 2xk +

=

+ x +

The x^2 and k^2 cancel out on both sides leaving us with this...
2kx = x
If we divide both sides by 2x to isolate k,
k ends up = 1/2
Answer:
72.5
Step-by-step explanation:
one block = 43.5 / 3 = 14.5
five blocks = 5 * 14.5 = 72.5 (ans)
Answer:
A
Step-by-step explanation:
you multiply the numbers and add the variables