Can someone please tell me the answers for these three I’m so lost

On chrome or paper

for the first one a tip to help you with the equation is y-y=m(x-x) (m is slope). the answer would be y-10=-2(x-7)

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 %

well, if it's triangular garden, the triangle could represent the garden.