What is the importance of the Real Number System?

I need sentences (complete sentences)

A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct significant digits. Answer for Blank 1:

WHY is - 2 3 8l9 1,476 - 6.01 all rational numbers. have a separate explanation for each number

What are possible inputs for 10x + 7.5y=420

A group of six software packages available to solve a linear programming problem has been ranked from 1 to 6 (best to worst). An engineering firm, unaware of the rankings, randomly selected and then purchased two of the packages.

Does someone know a factor of 69 other than 1 and 69. And does someone know a factor of 62 other than 1 and 62 And a factors of 98 other than 1,98

Whats 300 times 400? then add 500

Tina's swimming lesson started at 5:30 P. M. and ended at 6:25 P. M. How long did the swimming lesson last?

Solve - 1/2x>8 graph solution

Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x