Three months ago, santos could walk 2 miles in 40 minutes. today he can walk 2 miles in 25 minutes. find the percent of change and round to the nearest whole percent.

2 miles out of 40 minutes or 2/40 is .05

2 miles out of 25 minutes or 2/25 is .08

so he increased by .03 miles per minute

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

the correct answer is

c. 4

step-by-step explanation:

the given polynomial is

the degree of the polynomial is the highest exponent which is 4.

the -4 is called the leading coefficient.

this polynomial has only one term so it is a monomial.

the correct answer is option c.