0.15 as fraction or multiply 3/8 and 2/5
The radius is half the diameter. 19*2=38. The diameter is 38.
The answer I think is D)30 because they want to know how many she can make so just multiple 5*2*3
You didn’t post an image of the graph..
It is a good thing to remember. Of course, not all, but some basic numbers that appear all the time such as the numbers from 2 to 13 should be remembered as they appear in numerous assignments and tests.