C. 6 + 7 = 13
<span>This is because 33, 21, and 15 are composite numbers, and 13 is not.</span>
Answer:
A rectangle has rotational symmetry of order 2.
Step-by-step explanation:
The rotational symmetry involves rotation.
The rotational symmetry of order is the number of times a shape is mapped onto itself during a 360° rotation.
A rectangle has rotational symmetry of order 2.
When a rectangle is rotated on 180° or 360° it is mapped onto itself.
Answer:
4.4 hours
Step-by-step explanation:
0.75 + 0.50 = 1.25 = 1 and 1/4
The numbers are 0.85 and 0.15