You have to put 1,2,3,4,5,6 in every row and column (NO REPEATS!), but also so you get the number in each box using +,-,x or divide. Example: top left it says 11+. The box has two spaces, so you need two numbers that add up to 11. So the only option is 5 and 6. But you don't know which way round yet, so you must look at some other boxes first.

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step-by-step

d 600 because 15*10*2=300

300+300=600

step-by-step explanation:

a reflection across the x axis and a 90 degree rotation left and right.

since we know that the two functions are equal, f (x) = g

(x), therefore when we equate the two equations the result should be similar to

3x = x – 4:

a. f(x) = 3x, g(x) = x – 4

equating the two functions:

3x = x – 4             (correct)

so we now got our answer (a)