2.89x3 7.6x2 16.2x4 30.5x4

2.89x3 = 8.67

7.6x2 = 15.2

16.2x4 = 64.8

30.5x4 = 122

Step-by-step explanation:

hope this helps

answe: it will take 4.5 hours for naomi and clair to paint an equal number of square feet

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-lavira : )

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."