Answer:
The greater than symbol is >. So, 9>7 is read as '9 is greater than 7'. The less than symbol is <. Two other comparison symbols are ≥ (greater than or equal to) and ≤ (less than or equal to).
Step-by-step explanation:
Answer:
13.92
Step-by-step explanation:
You can refer to the photo I attached
If the number is y then the inequality is
twice the difference of y and 7=2(y-7)
at most- 20=less than or equal to
2(y-7)≤-20
Answer:

Explanation:
The given expression is:

Combine like terms

Simplify the resulting expression

Substitute x = 3 and y = -1 into the simplified expression
9514 1404 393
Answer:
x = 7
Step-by-step explanation:
The product of segment lengths is the same for the two chords.
9(21) = x(27)
x = 189/27 . . . . . divide by 27
x = 7