Most paper is cut to internationally agreed sizes: A0, A1, A2, ...A7 with the property that the A1 sheet is half the size of the AO sheet and has the same
shape as the AO sheet, the A2 sheet is half the size of the A1 sheet and has
the same shape and so on.

Explain what it means that all sheets have the same shape.​

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

the answer is 99.