Nancy’s 50-meter freestyle swim time was 28.004 seconds. betty’s 50-meter freestyle swim time was 27.949 seconds. what was the difference between nancy’s and betty’s swim times?

What is the perimeter of square abcd? units units 28 units 37 units

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.

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7