Which statement best describes a situation in which opposite quantities combine to make zero? a) peter scored 2 goals in the first period of a hockey game and 2 goals in the second period. b) shawna made 8 cups of soup and divided the soup into 8 containers. c )melanie deposited $10 in her savings account and then withdrew $10 from the account. d) marcos missed 4 questions on a test in which each question was worth 4 points.

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.