The morning temperature in Russia was −23.3∘ F. The temperature rose 28.1°F during the day before reaching its high temperature for the day. What was the high temperature for the day?

question: 2
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question:3
A scuba diver is descending at an average rate of 44.5 feet per minute.

What value represents the scuba diver's elevation relative to sea level after 2.3 minutes?

question:4
Robert digs a hole at a steady rate of 1 3/4 feet every hour.

Consider ground level to be 0.

What value represents the elevation of the hole relative to ground level after digging for 3 1/2 hours?

question:5
The water level at Lake Penny changed −1 1/10 in. this year. Next year, it is predicted to change another −1 2/5 in.

What is the total change that will likely occur in 2 years?