close up of math formulas on a blackboard
Online shoppers have mixed emotions such as doubt, surprise, and curiosity. Items meet or disappoint
Upset businesswoman in shopping mall touch head worried with business problem difficulties sick
Caucasian female student girl studying working home office library woman sad stress crumple paper
Anxious worried Indian businessman Arabian business man leader employer entrepreneur manager talking
Woman working in the office
Young boy giving injection to the drunk addicted girl
Coach Bus Electric Installation Replacement by Bus Technician
Working woman in the office
Close up African American bearded ethnic male millennial businessman man manager worker executive
Depressed african man deep in thoughts, touching his forehead
Roots of trees on stone and leaves on autumn forest.
Online learning
Young girl taking pills and commits suicide
old board with interesting patterns
Love triangle
Businesswoman wearing VR glasses holding cubical structure
Depressed girl stands on at the balcony and drink alcohol
install replace fix or repair ceiling down lights bulb danger area with electrical shock concept.
Three-dimensional openwork lattice
Portrait thoughtful Caucasian bearded 40s businessman thinking solving business problem pensive male
Stressful young girl holding alcohol bottle and looking at the camera.
Knot and rope isolated on white. Problem and difficult concept
Mature businessman with earphones, smartphoen and laptop sitting with hands on head at desk
Depressed young woman sitting on the floor and thinking.
Stress, depression, depression, crisis. Man feels pressure of circumstances. Loss of confidence
Stressed young girl fastening rope and commits suicide
Burning red candles with the blood falling from the fingers of the hand
Algebra mathematic formula written on chalkboard
Indian businessman Arabian business man employer entrepreneur think problem analysis issue trouble
