10 + 1/3x= 13
1/3x=3
divide 1/3 on each side to cancel it out
3/ 1/3= 3 times 3 which equals= 9
the number is 9
Answer:
63.1°
Step-by-step explanation:
Complementary angles sum 90°
90 - 26.9 = 63.1°
A looks good
