4 red bricks have a mean weight of 5kg 5 blue bricks have a mean weight of 9kg
1 green brick has a weight of 6kg

Donna says, "The mean weight of the ten bricks is less then 7kg"

Is donna correct?

Oh um i know this isn't an answer but it wont let me add a question so can i am going to ask it on here : if you get £1  in exchange for £1.17 euros then how many euros would you get from £280

Step-by-step explanation:

please can someone answer this for me please x.

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.

step-by-step explanation: