Answer:
c
Step-by-step explanation:
10 = 2x
x=5
15-15 = 0
1. 1/2 × 7 × 6 = 21
answer is b. 21 cm²
2. answer is d. 3
3. answer is c
4. answer is b
a
No this is not correct question for me but I am not sure what to
The first one is 12
second one is 1
third one is 23
last one 5
