Answer:
r < 4/7
Step-by-step explanation:
35r−21<−35r+19
35r + 35r < 19 + 21
70r < 40
r < 40/70 or r < 4/7
Answer:
7.5
Step-by-step explanation:
It is longer than 5, so cross 2.5 and 5 out, 10 is too big, so 7.5 is the correct answer
The rhombus has equal side lengths while the parallelogram doesn't have equal side lengths.
Answer: 12 + 6b
Step-by-step explanation:
Just times both by 6
9514 1404 393
Answer:
6.64
Step-by-step explanation:
Perhaps you have ...

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Here, it is convenient to factor out 10^-19. If you like, a calculator or spreadsheet can figure this for you.