What is the units digit of $7^7$ when expressed as an integer?

Use set buikder notation to represent the following set: {, -2, -1, 0}

Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?

If /is a line of symmetry, plot the partner points for the ones shown. noch 6 5 4 -3 -2 -1