Answer:
b.) 1 to 1
Step-by-step explanation:
Answer: 1:1
-0.49x+0.19x=6.6
-0.3x=6.6
x=-22
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come
x+31°=180°
180°-31°=149°
answer
6.9
Use the Pythagorean theorem :
a^2 + b^2 = c^2
so,
11^2 + b^2 = 13^2
121 + b^2 = 169
b^2= 48
b = 6.928
Round to the tenth : 6.9
