7. PQ has endpoints at P(2, 3) and Q(8,7), while ST has endpoints at S(2, 10) and T(8, 1). Are the line segments below perpendicular? Explain using the slopes for each.

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

your question is incomplete, write all the numbers in the sequence that it tells you.  

step-by-step explanation: