1. m=1/2(a+b) (Given) 2. 2m=a+b
3. 2m-a=b
4. b=2m-a

Use the properties of equality to complete each proof

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

its the second choice.

step-by-step explanation:

the elements in the range will be 7 less than the elements in the domain.