What is the square root of 10,000plus the square root 450 and is it more of less than the square root of 50,000

hurry first one to answer will be rewarded the brainliest

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8