Answer:
43
Step-by-step explanation:
so when subtracting a negative number the number becomes positive and the problem become 28 + 15 because the negative (subtraction) signs cancel out
Answer:
8
Step-by-step explanation:
0 has no value what so ever when adding and subtracting.
Answer:
(A)29 cubic inch
Step-by-step explanation:
Diameter of the Cone =4 Inches
Height of the Cone =7 Inches
Volume of a Cone 
First, we determine the radius, r.
Radius=Diameter/2=4/2=2 Inches
Therefore:
Volume of one paper cone 
=29.32 cubic inch
=29 cubic inch (to the nearest cubic inch.)