You traveled 30 miles west of your home and then turn around and start going back home. After tracing 10 miles East. What is your displacement from your home

20 miles West.

Step-by-step explanation: If you go 30 miles west from your house and then retrace your tracks 10 miles east, the equation would be 30 miles west - 10 miles east (30 - 10) which would equal 20 miles west.

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

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or