the first term of an arithmetic sequence is 5 and the last term is 63. if the sum is 850, how many terms are there in the sequence? what is the common difference between terms?​

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Identify the number as a rational or irrational. explain. 127

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture