Urgent question pls . the original price of a dvd is $11. the dale price is 30% off the original price. what is the sale proxe of the dvd?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

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