Explain how you can use mental math to perform the following addition

How to find the diameter of a circle with the area of 1134.1?

What is the width of a rectangle with an area of 5/8 inches and a length of 10'inches

Is 8,5,1 and - 4 an arithmetic sequence.

Express 0.54 as a fraction in simplest form as a percent

3. Find the value of 8.3 * 24.2 * 0.03. Round your answer to the nearest hundredth.

The time it takes to wash the dishes is uniformly distributed between 5 minutes and 13 minutes. what is the probability that washing the dishes tonight will take me between 8 and 11 minutes?

A pitcher on a baseball team has pitched 98 2/3 innings. What is the number of innings written as a decimal?

The perimeter of a rectangular wooden deck is 90 feet the decks length l is 5 feet less than 4 times it's with, w. Find the length and width of the wooden deck

The original price of a tractor was $55,000. The value decreases in value at a steady rate of 11% per year. What will the tractor be worth in 8 years? A) $21,651.24 B) $65,487.22 C) $45,591.35 D) $12,536.25

Write two verbal expressions for 2