Answer:
B
Step-by-step explanation:
Euler's formula for polyhedra states that
F + V - E = 2
where F is faces, V is vertices and E is edges
Substitute the values given and solve for F, that is
F + 13 - 26 = 2
F - 13 = 2 ( add 13 to both sides )
F = 15 → B
Answer:
Step-by-step explanation:
Let the number be 
.
The number is 5.
Answer:
The average is around 75.5
Step-by-step explanation:
if the distance from R to S is only half then the other half is S to T. The distance between R and S is (5,2). that should give you the answer
I hope this helps you
if 3/8 miles per a hour
7/8 miles ? hour
?.3/8=7/8.1
?=7/3
?=2,3333... hour
