The proof that δabc ≅ δcda is shown. given: ∥ and ∥ prove: δabc ≅ δcda what is the missing reason in the proof? statements reasons 1. ab ∥ cd; bc ∥ da 1. given 2. quadrilateral abcd is a ▱ 2. definition of parallelogram 3. ab ≅ cd; bc ≅ da 3. opposite sides of a parallelogram are ≅ 4. ac ≅ ac 4. reflexive property 5. δabc ≅ δcda 5. ? perpendicular bisector theorem pythagorean theorem hl theorem sss congruence theorem

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.