Answer:
k=20
Step-by-step explanation:
ph*tomath (the app) is your friend btw because this would be really easy to solve using that but
solve for k:
simplify the left side as 310-210 then =100
so 100=5k
divide by 5 and k=20
Answer:
736
Step-by-step explanation:
.8x230=184, 184x4=736
Answer:

Step-by-step explanation:
Answer:
729 is 3 to the power of 6
Step-by-step explanation:
Answer:
4 hours, 150 x 4 = 600 pls give brainliest