The slope is -3/4
Slope formula (y2-y1)/(x2-x1)
Answer:
B
Step-by-step explanation:
The exponential decay formula is
y= ab^x
where a is the initial value and
b = 1- decay rate
b= .9
.9 = 1 - decay rate
Subtract 1 from each side
.9-1 = 1-1-decay rate
-.1 = -decay rate
Multiply by -1
.1 = decay rate
Change to a percent
10 % = decay rate
Answer: It's 64
Step-by-step explanation:
12x5=60
60+4=64