Simplify (-4/5)^9/(-4/5)^10​

Step-by-step explanation:

We are given two fractions and are asked to simplify it.

So

We can follow the exponent rule of subtracting them since both fractions are the same value.

Now do the negative exponent rule :

Move the negative in between the fraction :

And apply the fraction switcharoo :

i dont know sorry

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