Answer:
B. Commutative
Step-by-step explanation:
He can do that because it's a sum
Plug in -1 for x
h(-1) = 3(-1) + 4
h(-1) = -3 + 4
Solution: h(-1) = 1
Im not sure but
(sarah + tara)/2 = 8
(20 + tara)/2 = 8
20 + tara = 16
tara = 4hours ?? it doesn’t make logical sense but this is the only way i can think of
sorry if this wasn’t helpful ;-;
So you move left to right like PEMDAS when it comes to adding or subtracting either or could go first and same thing applies with multiplying and dividing so for instance in this case
47*7=329
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329/9=36.5