Arjun can type 40 words per minute. dalia can type 55 words per minute. if arjun and dalia each type for 30 minutes, about how many more words will dalia type?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 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 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

The tile along the edge of a triangular community pool needs to be replaced? ?