Which equation represents this sentence?

three less than the product of seven and the opposite of a number is four more than the number.

a. 3−7(−n)=n+4

b. 7(−n) – 3 = 4n

c. 7(−n)−3=n+4

d. 3–7(−n)=4n

i dont know sorry

step-by-step explanation:

idek

step-by-step explanation:

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies

-60.75

step-by-step explanation:

just add the numbers then put the negative sign on it