Answer:
(a+c)+7
Step-by-step explanation:
this is called the Associative Property
(x+y)+z=x+(y+z)
Answer:
V ≈ 16.333 in³
Step-by-step explanation:
Formula of the Volume of a Sphere: 
V =
× (3.5)²π
V =
× 12.25π
V ≈ 16.333 in³
Answer:DC=7
Step-by-step explanation:
As it is written △ABC = △DBC. So the corresonding legs (the legs which are equal ) are as follows:
AC=DC AB=DB BC= BC
So DC=7 the same like AC
Answer:
sin (20) = - 2
/ 7
Step-by-step explanation:
1- Find the trigonometric values
Hope this helps :)