What is 2+2 im losing my mind today

What number would you add to both sides of x^2+7x=4 to complete the square?

The quadratic formula

You have 9 chairs arranged in a circle, and wish to seat 9 people (one person per seat). The one constraint is that person A cannot sit next to person B or person C (three of the people). How many ways are there to seat them?

Which place could you round to so that the rounded populations of all three cities are different Minneapolis had 380 2578 Oakland California has 390,000 724 Wichita Kansas had 380 mm 368000

Marcus is trying to gain weight for the upcoming wrestling season. His gains and losses (in pounds) each week are shown. How much weight did he gain over the six week period?

Add 2,034; 571.835; and 0.082

How many more cents per item is 3 items for $10 than 2 items for $5? Express your answer to the nearest whole number.

The population of Canada is approx. 3 * 10^7. The population of Mexico is approx. 1 * 10^8. How many times greater is the population of Mexico compared to the population of Canada?

Guido is a citizen and resident of Belgium. He has a full-time job in Belgium and has lived there with his family for the past 10 years. In 2017, Guido came to the United States for the first time. The sole purpose of his trip was business.

Nora bought a robot originally priced at $80 but on sale for 25% off. After 5% sales tax, what was the total cost?