What is the image of (7,8) after a reflection over the line y = –x

(-7. -8) Just flip the signs.

Step-by-step explanation:

When a point is reflected over y=-x, the following change occurs:

   ⇒  

We are given the point (7,8).

Essentially, we change the signs for both coordinates, then flip the x-coordinate and y-coordinate.

1. Change the signs

   ⇒    

2. Flip the x and y coordinates

  ⇒    

So the image of (7,8) after a reflection over y=-x is (-8,-7)

answer: i'm not sure

step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt