Answer:
7. 7.1+5.4+2.9=15.7
10.3+5.4=15.7
8. 373.4 - 152.9 = 220.5
373.4 - 153 = 220.4
220.4 - 0.1 = 220.5
9. 18.25 + 7.99 + 4.75 = 30.99
10. 1.05 + 3 + 4.28 + .95 = 9.28
11. 302.504
12 50.5
Answer:
4.0075017*10^7
Step-by-step explanation:
move the decimal place left 7
Answer:

Step-by-step explanation:
One property of parallelogram is that opposite angles have the same measure, so we can write down:

Another property is that two adjacent angles are supplementary (meaning that they add up to 180 degrees). Thus, the following equations are true:

Solve the equations:

To check, add up all 4 angles and check if they sum up to 360 degrees:

And please ignore the fact that I cannot insert the degree sign :(
The answer to your question is
55 miles per hour or 9.17 miles per minute
The answer is -1. hope i helped.