Answer:
B
Step-by-step explanation:
The model of the bridge and the actual bridge are similar solids. The lengths of corresponding sides of similar figures are in proportion.
5/25 = 6/30 = 8/40 = 1/5
Answer: 1/5
Let 
be the amount of the 30% alloy and 
the amount of the 60% alloy the metalworker will use. However much is used, the final alloy will have a mass of
kilograms. For each kg of the 30% alloy used, 0.3 kg is copper; similary, each kg of the 60% alloy contributes 0.6 kg, so that
Now,
Answer:
D
Step-by-step explanation:
as x increases by 1, y increases by 35
Answer:
d. interquartile range
Step-by-step explanation:
the iqr measures the first, second, and third quartile, and the median.
