Square ABDC is shown with diagonal CB. What's true about ABC and DCB?
A.ΔABC and ΔDCB are twice the area of square ABCD.
B.△ABC≅△DCB by both SSS and SAS
C.ΔABC is half the area ofΔDCB.
D. There's no relationship betweenΔABC and ΔDCB.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

Ihonestly have no clue if it's each or none.