Can somebody tell me what 42x2 is?

i wanna ch^t with the ppl that answer tis.

Darell has a home gym that his older brother set up. nobody has used the gym for a few years but darell has decided to give weight lifting a try. he talks to his gym teacher, who shows him proper form for the exercises and does performance testing. together they design a starter program that includes a warm-up, stretching, and some basic weight-lifting exercises, followed by a time of stretching. on the first day of his routine, darell is injured. what is the most likely cause of his injury?

5. your analysis of child assessment data shows that a few of the students in your classroom are lethargic and exhibit challenging behaviors before snack time. you note that after snack time and lunch, they're engaged and responsive. what other information might you understand why? a. attendance data, teacher observation checklists, and frequency counts b. anecdotal notations, attendance data, and child health records c. family interviews, daily health check, and behavioral logs d. standardized assessments, time samples, and conversations with other teachers

Idon’t understand 8. plz ! we are finding the area of polygons. thx in advance!