Answer:
The answer is 25
Step-by-step explanation:

Your answer is x={-1, 11/3}
Answer:
12 3/8
Step-by-step explanation:
A = 2 3/4 x 4 1/2
best way is to change mixed numbers to fractions and multiply and then go back to a mixed number.
11/4 x 9/2 = 99/8 = 12 3/8
Answer:
70
Step-by-step explanation:
Tangent Chord Angle = 1/2Intercepted Arc
? = 1/2(140)
? = 70