Mia’s work to find the slope of a trend line through the points (3, 10) and (35, 91) is shown below. Mia’s Work
Step 1
StartFraction 3 minus 35 Over 10 minus 91 EndFraction
Step 2
StartFraction negative 32 Over negative 81 EndFraction
Step 3
StartFraction 32 Over 81 EndFraction

What was the first error that Mia made?
Mia simplified incorrectly and made the slope positive.
Mia subtracted in the wrong order.
Mia switched the numerator and the denominator.
Mia used subtraction instead of addition.

answer: a

step-by-step explanation:

yes

step-by-step explanation:

i believe the answer is letter c) 8

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