Write the supplement of 121°48’51”.

A protractor is a device used for measuring, drawing, and laying out angles.

Multiply 7 × (12°15′).

Add 26°34′ and 51°22′.

How many ounces are in 2.55 pounds rounded to 3 significant digits?

How many square feet are in 529.6 square inches? Round the answer to 4 significant digits.

Express 6.25 gallons as cubic inches.   Round the answer to the number of significant digits as in the original quantity.

How many gallons are in 58.0 pints rounded to 3 significant digits?

Using the diagram, determine the maximum diameter for DIA A.

Using the diagram, determine the minimum diameter for DIA B.