Plz fast ASAP I will give out brainlist for each question the CORRECT answer 1.(9x+7)+(3m-2)-(8n+9)=
2.(2y+5x)+(-2x-2)+(4+9y)=
3.On a math test a student, , Sarah has to identify all the coefficients and constants of the expression 9n+b+2. Sarah says that 9 is a coefficient and I 2 s a constant. Identify all the coefficients and constants of the expression. What error might have sarah made?
The coefficient(s) of the expression is/are?
4.The width of a rectangle is 7t-8.5 feet and the length is 8.5+10 feet. Find the perimeter of the rectangle. The perimeter of the rectangle is feet?
5. Nancy and Bill collect coins. Nancy has x coins. Bill has 9 coins fewer than Four times the number of coins nancy has. Write and simplify an expression for the total number of coins nancy and bill have?
6.(2x+7)+(-3x+1)+?
7.Gabe goes to the mall. If d is the number of items he bought, the expression 15.88d+25 gives the amount he spent in dollars at one store. Then he spent 21 dollars at another store. Find the expression which represents the amount gabe spent at the mall. Then estimate how much he spent if bought 7 items.