Answer:
21 seconds
Step-by-step explanation:
If an hour is 60 minutes, then we can subtract 54 from 60 and then add 15.
60-54=6
6+15=21.
Martin has 21 seconds left to finish his test.
Hope this helps!
C. 1/9 sq yd
1/3 * 1/3 = 1/9
sorry i dont know
Rectangular book--
two 8 1/2 sides
two 9 1/4 sides
8 1/2*2=17
9 1/4*2=18 1/2
17+18 1/2= 35 1/2
The perimeter of the textbook is 35 1/2 inches or 35.5 inches.
-this is not mine btw creds to sunflowerem :))
