Evaluate x^1-x^-1+x^0 for x=2

The radius of a circle is 7 in and the central angle is 30 degrees. What is the arc length? Round to the nearest hundredth.

I am a number less than 3000 when divided by 32 my reminders 30 what number am I

Here are some numbers 9.6 12.6. 15.4. 7.6. 12.4. 17.4 Write the numbers in pairs so that the sum of the numbers in each pair is the same.

A publisher displays its latest magazine cover on its website. The publisher scales up the front cover of the magazine using a scale of 6 centimeters to 1 inch. The length of the scale drawing is 48 centimeters, and its width is 66 centimeters.

A tomato sauce recipe uses 3/4 tablespoon of salt in every 2 1/2 quarts. How many tablespoons of salt are used in each quart of the sauce? Enter your answer in the box as a simplified fraction or whole number. A. 5 B. 1/20 C. 1/5 D. 20

You are measuring the height of a statue. You stand 17 feet from the base of the statue. You measure the angle of elevation from the ground to the top of the statue to be 61º. Find the height h of the statue to the nearest foot.

Is 3 a factor of 16c-8d?

The square root of 59

Whats the rule of adding integers with the same sign

How do I turn - 6.3 into a fraction?