Answer:
72.96
Step-by-step explanation:
56.99x4=227.96
227.96-155= 72.96
Answer: Option 'B' is correct.
Step-by-step explanation:
since we have given that
Time taken to build a cabinet by Genna = 4 hours.
Time taken to build a cabinet by Claude = 3 hours
Now, time taken by both Genna and Claude to build a cabinet together is to be find.
Work done by Genna is given by

Work done by Claude is given by

According to question,

Hence, Option 'B' is correct.
16.8 cm is divided into 4 segments (line-line..) with a letter (dot) inbetween. FG makes one segment since it goes from center to center.
16.8 cm / 4 segments = 4.2 cm
Density= 19.3 because the formula of density is mass divided by volume <span />
Answer:
20.922
Step-by-step explanation:
Evaluate ln 7.2 on a calculator; the correct result is 1.974.
Multiply that by 3, obtaining 5.922.
Finally, add 15 to that result: y = 15 + 3 In 7.2 = 20.922