He walked 2,525 m per an hour.
11,040 - 920 = 10,100
10,100 / 4 = 2,525
Please mark brainliest.
Answer:
D
Step-by-step explanation:
using the rule of exponents
= 
substitute x = - 3 into f(x)
f(- 3) = 4(
= 4 ×
= 4 ×
= 
China plate is 12 years (16-4) and Glass plate is 4 years (12÷3)
Answer:
k-5
Step-by-step explanation:
Answer:
The graph in the attached figure
Step-by-step explanation:
Let
x -----> the number of solved puzzles
y -----> the number of solved riddles
we know that

The solution of the inequality is the shaded area above the solid line 
The slope of the solid line is negative 
The y-intercept of the solid line is the point (0,4)
The x-intercept of the solid line is the point (2,0)
therefore
The graph in the attached figure