Select all expressions that are the result of decreasing x by 80% A.20/100x
B x-80/100x
C.100-20/100
D.0.80x
E. (1-0.9)x

idk i would have to be there to under stand it

step-by-step explanation:

idk i would have to be there to under stand it

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

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 %