Using the digits 0-9, no more than one time each, place a digit in a box to create an equation with a solution x= -1/2

Create three equations. Formula is below.

__ x+ __=__ x+ __
Please help me! I couldn’t make it on the last day of school amid the virus outbreak. I have no idea what I’m doing and I’m so behind. We were given these packets in no relation to the unit before the break and I’m panicking. :(

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.