Is there enough information to conclude that the two triangles are congruent? if so, what is a correct congruence statement?

a. yes; cab=dac
b. no, the triangles can't be proven congruent
c. yes; abc=acd
d. yes; acb=acd

Me what is the value of x? showing work would be appreciated - ! : )

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?