Answer:
11
Step-by-step explanation:
The like terms are 23y & 2y and 7x & x because they have the same variables
Answer:
1.186
Step-by-step explanation:
The answer is 50. Be sure to find the reciprocal.
Total surface area equals area of 5 rectangular faces + 2 pentagonal faces
Area of 5 rectangular faces


Area of 2 pentagonal faces can be found by drawing 5 isosceles triangles with height as shown in the diagram and multiply the result by 2.


The toatal surface area is

The correct answer is A