If DE ≅ DB and AD≅ CD, what else is needed to prove ADE CDB using the Side-Side-Side rule? A.
AE ≅ CB
B.
ED ≅ CD
C.
AD ≅ BC
D.
AD≅ BD

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours

sorry i really don't know what tiles and steps you are referring to

step-by-step explanation: