What is the value of a11 and what is the value of S11
a=2.5, d=1.5, n=11

x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3

answer: c.  

step-by-step explanation:

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answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

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step-by-step explanation: