Answer:
60
Step-by-step explanation:
Is means equals and of means multiply
21 = 35% * n
21 = .35*n
Divide each side by .35
21/.35 = .35n/.35
60 = n
<span>2. scalene, isosceles, equilateral</span>
Answer:
It is called a heptahedron
Step-by-step explanation:
Answer:
okay let's start
Step-by-step explanation: