15. 11y
16. 8xy
17. -24a
18. -7cd
Answer:
1.8 hours
Step-by-step explanation:
The number of combinations is 6^4 = 1296. At one every 5 seconds, it will take 5·1296 = 6480 seconds to try them all. There are 3600 seconds in an hour, so that is ...
(6480 s)/(3600 s/h) = 1.8 h
It will take 1 hour and 48 minutes to try them all.
Answer:
RXS=48
Step-by-step explanation:
According to the figure,
RXQ+QXS=RXS
or,8x-1+3x+5=5x+28
or,8x+3x-5x=28+1-5
or,6x=24
or, x=24/6
or,x=4
Then,
RXS=5x+28
=5×4+28
=20+28
=48
Answer:
move each dot up two lines and right two lines it should transfer the image to the right spot
Step-by-step explanation: