Margie has 5 times as many nickels as quarters. She has a total of $2.00.

a. Write a system of equations to represent the situation. Let n represent the number of nickels and q represent the number of quarters.
b. Solve the system you wrote in part (a). Show your work.
c. Interpret your solution in the context of the problem.

How many zeros does the function f(x)=4x3-x2+1 have

Simplify. 3(4+4x) (type your answer in with no spaces)

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.