Answer:
158
Step-by-step explanation:
5*8=40
8*3=24
3*5=15
Each of these measurements gets added twice, becasue there are 6 faces on a rectangular prism.
40 + 40 + 24 + 24 + 15 + 15 = 158
Answer:
140
Step-by-step explanation:
Answer:
27
Step-by-step explanation:
To find the average change in elevation, you have to make it a unit rate. So we find that 378/14=27
Answer:
C is the answer
Step-by-step explanation:
Answer: x=3.4
Step-by-step explanation:
0.5x + 4.2 = 5.9 \\ 0.5x = 5.9 - 4.2 \\ 0.5x = 1.7 \\ x = 1.7 \div 0.5 \\