The sum of two numbers is 61. THe larger number is 23 more than the smaller number. what are the numbers? larger number

smaller number ​

What is the square root of 45? (step by step working plz)

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Can someone me with this problem i don't understand i need