What number goes in the box so that \[x^2 + 18x + \boxed{\phantom{00}}\]is the square of a binomial? If you find more than one, give your answer as a list.

Following are the solution to the given question:

Given:

To find:

Solve

Solution:

Therefore, the final answer is ""

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81

Step-by-step explanation:

x² + 18x

x² + 2(x)(9) + 9²

x² + 2(x)(9) + 81

(x + 9)²

the last choice

step-by-step explanation:

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500