Which of the following is true of the commutative property under subtraction. a. 10 + 9 = 9 + 10b. 10 – 9 = 10 + 9c. 10 – 9 = 10 – 9d. 10 – 9 ≠ 9 – 10

Is the orthocenter of a triangle on the inside ?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. which of the following expressions could represent how much bo pays for the game? choose 2 answers: choose 2 answers: (choice a) a 0.82b0.82b (choice b) b 1.18b1.18b (choice c) c b-0.18b−0.18 (choice d) d b-18b−18 (choice e) e b-0.18bb−0.18b