61 because you always multiply first 60 x 0= 0 so now we have 60+1 which is 61
A = 7
b = -18
c = -52
Do you know what the Quadratic formula is to solve?
Probabilities are used to determine the chances of events
The value of the probability P(x < 24) is 0.7895
<h3>How to calculate the probability
P(x < 24)?</h3>
This is calculated as:

So, we have:

Evaluate the sums

Evaluate the quotient

Hence, the value of the probability P(x < 24) is 0.7895
Read more about probabilities at:
brainly.com/question/9385303
It is 8 the answer your welco