3
this is because

and
y
are all separate variables (also

combines into one variable)
Answer:
7 hundredths
Step-by-step explanation:
add 4 to 6 and take away 3
C. 0.4 times 6 is 2.4. Hope that helps.
Answer:
One triangle
Step-by-step explanation:
-The triangle's dimensions are defined and fixed.
-Given the fixed dimensions, only one unique triangle can be constructed.
-Hence, only one triangle of the dimensions 7.2cm, 6.9cm and 12.8 cm can be formed.