Nia told Patrick that her new backpack only cost $14.00 because she used a 30% off coupon when she brought it." Patrick wants to buy similar backpack, How much will it cost if he does not have a 30% off coupon? Pl use cross multiply and show work plz thanks

How do i do this activity, is appreciated

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte