Scrivi le equazioni delle rette tangenti all'iperbole di equazione 4x2 - 9y2 = 36 condotte dal punto P{0; – }) e, detti A e B i punti di contatto, calcola l'area del triangolo PAB.
5x - 6y - 9 = 0; 5x+6y + 9 = 0;
y 9 25 )

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap

How are algebraic expressions evaluated using substitution?