The probability that 4 are chem majors would be 5%
The area of an object is found by multiplying the length by the width, so to solve your problem, multiply 8*4 to get 32.
Answer:
slope=3
y-intercept=-1
Step-by-step explanation:
Since she has seven key the probability that the first one will open the door is

if it takes three attempts to open the door,the probability is

if the three attempts would not work
then the probability that the fourth attempt will open the door is

hope this helps
Answer:
8
Step-by-step explanation:
The domain is from the points (-4,0) through (4,0).