Which number sentence shows one way to find the sum of 4 and 5 a. 4+5+5= 14

b. 4+4+5= 13

c. 4+4+4= 12

e. 4+4+1= 9

4+4+1=9(e)

Step-by-step explanation: because in 4+4+1 the 4+1 at the end equals up to 5 so therefore the equation is basically 4+5=9 .

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl