Answer:
17x-3
Step-by-step explanation:
This is the answer only if u are trying to add kk
Answer:
CD = 45
Step-by-step explanation:
CE = 180
( x + 6 ) + ( 4x - 21 ) = 180
5x - 15 = 180
5x = 195
x = 39
substitute x in CD
CD = x + 6
CD = 39 + 6
CD = 45
Answer:
With base of 3: 
With base of 9: 
Step-by-step explanation:
Use 3 and 9 as the base of the power.

For 12 minutes because 23 x 12 is 2.76 and 25 minus 22.24 is 2.76