Simplify the expression
12 + 3p - 6 + p - r + r - 6

Use set buikder notation to represent the following set: {, -2, -1, 0}

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.

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?