Write an expression for the sequence of operations described below triple 10, then subtract 7 from the result

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

What are different types of statistical programs

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given