Answer:
z = -10
Step-by-step explanation:
5/10 = 1/2
1/2 of 10 = 5
Answer:

Step-by-step explanation:
3 raised to 2 is 3 to the power of 2.

3 is multiplied by itself.
Area = (16 x 8) - (6 x 4 ) = 128 - 24 = 104 ft^2
-36=-12x divide -36 by -12 to get x alone and x will equal 3
Answer:
30 hrs
Step-by-step explanation:
In 1 hour, J completes 1/55 of job
In that time, D completes 1/66 of job
J + D together complete 1/55 + 1/66 of the job in 1 hour
1/55 + 1/66 = 1/30
Together, it takes them 30 hours to build the wall.