9out of 25 students finished your homework early on tuesday what percentage of the class finish their work early

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

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

The scatterplot represents the total fee for hours renting a bike. the line of best fit for the data is y = 6.855x + 10.215. which table shows the correct residual values for the data set?