Answer:
8 to 27
Step-by-step explanation:
15. If a+b=6 and ab=9 that means a and b must each equal 3. Then plug it into the equation and solve. (3)3+(3)2 = 15
Cross multiply the original proportion
5x = 2y Divide by 2
5x/2 = y Now divide by 5
x/2 = y/ 5
So the answer is y/5
Answer:
Step-by-step explanation:
Given: DE║BC
To prove: 
Statements Reasons
1). DE║BC 1). Given
2). ∠1 ≅ ∠4, ∠3 ≅ ∠4 2). Corresponding angles theorem
3). ΔADE ~ ΔABC 3). AA Similarity theorem
4).
4). Corresponding sides are proportional
5).
5). Segment addition postulate
6).
6). 
7).
7). Subtract 1 from both sides
8).
8). Take the reciprocal of both sides