Answer:
A and D are the true number sentences
The answer is 18 because u multiply when u see the word of
If two sides of a right triangle are x and y, the hypotenuse, h is:
h^2=x^2+y^2, in this case x and y are 39 and 52 respectively so:
h^2=39^2+52^2
h^2=1521+2704
h^2=4225
h=√4225
h=65 in
So the hypotenuse is 65 inches.
For every one stamp James has Roy has twice as much. So the ratio would be 1/2