In the figure shown, which pair of angles must be complementary? ​∠AOC​ and ​∠DOB​

∠AOC​ and∠COD

∠COD and ∠DOB

​∠COB​ and∠AOC
4 rays sharing point O. Ray A O, ray C O, ray D O, and ray B O in that order from left to right. Angle C O B is a right angle. ray D O is between ray C O and B O. Ray A O is on the left of ray C O and is acute.

use mxthwxy or txgermxth

Step-by-step explanation:

sub a for the x hope this helps

the best buy, is the 4- kilogram bag of lollipops for $18.40.

step-by-step explanation:

i found my answer by dividing the cost of each bag by their respective weights.

14.88 divided by 2 = 7.44

17.29 divided by 3 = 5.77

18.4 divided by 4 = 4.6

24.4 divided by 5 = 4.88

by this, i found that the 4 kilo bag is the best buy.

1) is right

step-by-step explanation: