it think it is 10 or so but like just read or it and you will get it :)
5x + 7x = 180 ⇒ properties of linear pair
12x = 80 ⇒ addition property (since (5 + 7)x = 12x)
x = 15 ⇒ Division property (since we divide both sides by 12)
The x-value of -7 shows up more than once in relation ...
B. X -7 -5 -7 2 Y 34 32 40 34
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When there is more than one y-value for an x-value, the relation is NOT a function.
The students baked 19 pies. Cafeteria-9*8=72 slices of pie 224-72=152 152/8 is 19 ,19 pies
F(-4)= 9*3^(-4)=9/(3^4)=1/9
