Answer:
a=12
Step-by-step explanation:
7a+18=102
7a=102-18
7a=84
a=84/7
a=12 <----- answer
Answer:
c
Step-by-step explanation:
Since the figures are similar then the ratios of corresponding sides are equal, that is
= 
, substitute values
= 
( cross- multiply )
10YZ = 230 ( divide both sides by 10 )
YZ = 23 → c
Answer:
0.042%
How much is the decimal number 0.00042 written as (converted to) a percent value? Answer: 0.042%
Step-by-step explanation:
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Answer:
7lb 12oz
Step-by-step explanation:
4lb +3lb = 7lb
6oz +6oz = 12oz
