Santas having trouble. one quarter of the elves call out sick. how many elves are sick?

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers