Answer:
11/19
Step-by-step explanation:
Firstly, we need to know the total number of instructors. This is equal to 7+5+4+3 = 19 instructors.
The probability of selecting a science instructor is 4/19
The probability of selecting a math instructor is 7/19
The probability of selecting either a science or a maths instructor is 4/19 + 7/19 = 11/19
Answer: a
Step-by-step explanation:
did the test
C. 4 because 4 is a perfect square, as well as x^2 and 4x
I hope that helps!
13h and 5min. Hope this helps:)