10 points and brainliest plz

a. 50 degrees

b. 65. degrees

c. 115 degrees

d. 130. degrees

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

answer: 0.1,0.85

step-by-step explanation:

your answer is  

d.

196.5 m2

step-by-step explanation: