Answer:
8 and 9
Step-by-step explanation:
Answer: 34*12 = 34(10+2) = 340 +68 = $408
And $408 is close to $434.
Answer:
c=10cm
Step-by-step explanation:
a²+b²=c²
6²+8²=c²
36+64=c²
100=c²
10=c
No error - A and B are completely right, and using the subtraction law D is right