Amy and stephanie were playing a number game. amy picked a number and told stephanie that if she added 9 to the number and multiplied the sum by 3, it would equal 12. which equation could stephanie use to find the number, x?

The equation for the statement is  ( x + 9 ) × 3 = 12 , and the value of         x is - 5   .

Step-by-step explanation:

Given as :

Let The number picked by Amy = x

Amy told to Stephanie

she add 9  to the number and multiply the sum by 3 it would be 12

So, According to statement

( x + 9 ) × 3 = 12

Or, 3 x + ( 9×3 ) = 12

Or, 3 x + 27 = 12

or, 3 x = 12 - 27

or, 3 x = - 15

∴  x = -

I.e x = - 5

Hence The equation for the statement is  ( x + 9 ) × 3 = 12 , and the value of x is - 5   .  Answer

c

step-by-step explanation:

it isn't d, because the interquartile range is from 27-57. and the interquartile range is basically half the data, it's pretty obvious.

it isn't b, because like i said earlier, the interquartile range is from 27-57. 57-27 is 30. the real range has to be longer

not a either. although it looks like it, 3/4 of the data is not greater than 27. but if c is wrong than this should be correct

the correct answer is c, because 13 is the point in which the plot starts

4th option is correct xy=-10

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