Answer:
97
Step-by-step explanation:
5 * 85 - 4* 82 = 97
28 is the coefficient of x and 35 is the constant
Answer:
Incident ray, the reflection ray and the normal to thereflection surface at the point of the incidence lie in the same plane
You add all those number together then divide the number you got by how many numbers there are and that's your answer, 61.1
edit : dont listen to me I didnt see the numbers 64 and 65, im sorry
5 x 5/2 = 25/2
answer
25/2 units
