(x+y)^2=x^2+y^2+2xy=73+2*24=73+48=121
⇒ (x+y)^2=121
Answer:

Step-by-step explanation:
Let
y ----> the distance in miles
x ----> the time in hours
using proportion

Simplify


This is a linear direct variation
The unit rate or speed is the slope of the linear equation
The unit rate is 4 miles/hour
Answer:
G. 78.5 / π
{ i hope this helps :) i'm sorry if its wrong }
Answer:
A and E
Step-by-step explanation:
-3(x - y) = -3x + 3y = 3y - 3x
A. E
Answer:
x > -1
Step-by-step explanation:
Divide the whole inequality by 9.
(
+1)>
Subtract 1.
>
- 1
> -
Multiply by 3.
x > -1