The concrete for a sidewalk is being poured outside the perimeter of Oliver Street School, which is a 280 ft. × 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. a. How many cubic yards of concrete will need to be poured? b. How much will the concrete for the new side walk cost if the price per cubic yard of concrete is $74.50 and an extra 5% of concrete is being ordered?(Hint draw a diagram on a scrap paper to help you solve it correctly)

something over 10 so ? /10

step-by-step explanation:

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2

answer: c. is your answer

step-by-step explanation: get me a black leather coat

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 %