Answer:12
Step-by-step explanation: so sart by subtracting 15 and 7
15-7
this gives you 8
now add 4
8+4
this gives you 12
Answer:
b and c
Step-by-step explanation:
looking at the markings
Answer:
x = 13
x = -5
Step-by-step explanation:

Answer:

Step-by-step explanation:
We can use the unity rule to solve this problem.
Number of toys made in m minutes = c
Number of toys made in 1 minute = 
Number of toys made in 60 minutes = 
Since 60 minutes = 1 hours, we can write:
Number of toys made in 1 hour = 
Therefore, we can say that Kevin makes
toys per an hour.
Answer:
64 cm
Step-by-step explanation:
If the perimeter of a square is 32cm. Each side is the same length, and there are 4 sides. 32÷4=8
Each side equals 8. 8•8=64 The area is 64cm.