Marco purchased 2 boxes of cereal, 2 boxes of granola bars, and 3 packages of crackers. Each item cost c dollars. Marco wrote an expression for the cost of the cereal. Then he wrote expressions for the cost of the granola bars and the cost of the crackers. He used all of these to write an expression for the total cost. Which expression did Marco write to represent the total cost?

Do you have a picture of the choices?

c+c+c

Step-by-step explanation:

5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.