Name the property shown by each statement.
1. 1 * (a+3) = a+3
2. (ab) c = c (ab)
3. m (nr) = (mn) r
4. 2p + (3q+2) = (2p +3q) + 2
5. 2t * 0 = 0
6. 0+ 2s = 2s
for 46

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

Ineed to know how to write question one in mathematical terms

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.