If yuu have question cove add me amourniyaa05

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

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