Calculate how many roof trusses would be needed to frame the roof if the ridge line runs parallel to the longs side of the shed

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

the answer is c.

step-by-step explanation:

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 %