She owes him $0.75 because if she paid him $1.50 already you just subtract that from $2.25
So hmm notice the picture below
the pyramid itself, is really, just one regular hexagon, at the bottom
and 6 triangles, stacked up at each other at the edges
now, if you just get the area of the regular hexagon, and the 6 triangles, add them up, that'd be the total surface area of the pyramid then

now, for the triangles, well, area of a triangle is 1/2 bh, as you'd know, and you have both
For $11, he bought = 26 pounds
so, for 1, it would be: 26/11 = 2.36
In short, Your Answer would be 2.36
Hope this helps!
Answer:
$760 altogether.
Each bike costs $221.666667.
both helmets cost about $32.5 bucks, and the baby seat costs $30.
Step-by-step explanation:
Simply divide the amount of items by the price of all of them, and then think of a real price that it'd be.
"$760 altogether"
Simply add all the total amounts together.
D. X=10 all you have to do is pick an answer and plug it in