Answer:
The red will cost him more by $2.21
Step-by-step explanation:
First you multiply the amount of gallons of grey paint and the cost and you get 24.59 x 3= 73.77
The do the same for red
37.99 x 2= 75.98
the red is going to cost him more by 75.98-73.77= $2.21
Correct answer: <span>Dot-and-cross-diagram
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Dot-and-cross diagrams are used to represent covalent bonds. The shared electron from one atom is shown as a dot, while the shared electron from the other atom is shown as a cross.
When drawing dot-and-cross diagrams for covalent bonds, you only need to show the electrons in the highest occupied energy level, as only these are involved.
The primeter is the outside p=2+2 +3+1+1 so the primiter is 9