It took khalid 90 minutes to complete 40 tasks. which answer choice is an equivalent rate? a) 10 tasks in 0.9 minutes b)10 tasks in 2.25 minutes c)10 tasks in 9 minutes d)10 tasks in 22.5 minutes

D) 10 tasks in 22.5 minutes

Step-by-step explanation:

First you have to divide 90 by 40 which equals 2.25

             90 ÷ 40 = 2.25

             2.25 = 1 task

Then you multiply 2.25 by 10 which equals 22.5

             2.25 × 10 = 22.5

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6mm^3 or .6cm^3

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  36     6

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6     6   6

factor trees are nice.

he kicked it up? is this the answer ?

step-by-step explanation: