False- the included angle must be a right angle for cos C to be 0 & two other points are normally used
The half-life of the radioactive substance is 67.95 hours.
Answer:
Lines y = -x+4 and y= 3x+3 intersect the y-axis
3 and 2/3 hours.
Multiply the number of hours Dominic spent by the scale factor.
Answer:
x
4/
64
y
10
Step-by-step explanation:
