Please help it’s for a final

BAC = 45 degrees, DAC = 45 degrees

Step-by-step explanation:

Assuming that this is a perfect rectangle and that each corner of the rectangle makes a 90 degree angle, and that lines DB and AC are crossing at the exact midpoint, then each angle would equal 45 degrees. Half of 90 is 45.

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9