HELP ME PLEASE
Samantha has chosen a set of vases for her wedding registry. The vases are cylindrical and their dimensions (in inches) are as follows.

• Vase A: h = 14 and r = 2
• Vase B: h = 7 and r = 4

Which of the following statements about the volumes of the vases is true?
A.
The volume of vase A is half the volume of vase B.
B.
The volume of vase B is half the volume of vase A.
C.
The volumes of the two vases are equal.
D.
The volume of vase B is four times the volume of vase A.

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.