The diagram shows an early version of the periodic table. The group of gases from the modern periodic table that is not represented in this table is group _. What is the missing number?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days