How to tell if a function is rational or irrational?

The area of a square is 17 inches squared what is the length of one side

The high temperature one day was 30°F. Then the temperature dropped 23 degrees during the night. Does the expression 30 + (-23) represent the temperature at night? Explain.

What is the value of r? (5, 2), (-7, r), m = 5/6

Are the angles with the given measures complementary, supplementary, or neither? m∠R = 43° and m∠S = 57° A. complementary B. supplementary C. neither

I am a number less than 3,000. When you divide me by 32, my reminder is 30. When you divide me by 58, my remainder is 44. What number am I?

Carlos wants to mix granola and cranberries together to make trail mix. Granola costs $3 per pound and cranberries cost $5.50 per pound. Carlos is willing to spend $29 and wants to make 8 pounds of trail mix.

Will Brown who pays weekly union dues of $3.00 earns $289 per week his federal income tax a$39.13 and his Rica tax is 6.2% he pays a 4% state income tax a$15.

Kimberly is considering buying her first home. The house she is interested in buying is priced at $140,000. Kimberly qualifies for a 30-year mortgage at 5%. What will her monthly mortgage payment be?

Thrity six cars travel given instrution in four hours in 24 hours x can travel the same disatance if the unit rate is 24 four hours what is the value of x

Together, steve and tom sold 80 raffle tickets for their school. steve sold 14 more than twice as many raffle tickets as tom. how many raffle tickets did each boy sell?