Taking test right now please help!!
Substitute the given values of the variables into the equation. Write True or False to indicate whether the values make the open sentence true or false. Values: x=9 ,y=0.4, z=22
2x + 0.8/y = z - 4

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

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