Answer: 4
Step -by-step :
7+7+7=21
5+12+a=
17+a
21-17=4
Answer:
N = N0 e^-x t is the general form for Half-Life decay of atoms
B would be the correct choice
F^-1(x)= (x+7)/2
it's the inverse so adding is subtracting and multiplication is divison
Pretty Sure Its B I had this question Too
The dog snored nine times. 1/3 of an hour is every 30 minute interval. 30 min + 30 min = 1 hour. Multiply this x3, and the answer is nine. A simpler way of thinking about this is 3 x 3 or 3 squared.