Answer: 18
Step-by-step explanation:
Evaluate 7 r − 15 /s
Given that r = 3 and s = 5
7r - 15/s
Substitute 3 for r and 5 for s in the above expression
7(3) - 15/5
= 21 - 3
= 18
Answer:
Option C 
Step-by-step explanation:
we know that
the surface area of a pyramid is equal to

where
B is the area of the base
LA is the lateral area
The area of the base B is

The lateral area is equal to

the surface area is equal to

the answer is m=17
https://photomath.net/s/argDe9 shows how to get there
Answer:
1/2 or 1:2
Step-by-step explanation:
3 circles to 6 squares
3/6 simplified is 1/2