After the Raptors’ championship parade, Drake needed a facility for his “Raptors championship party”. Jurassic Park charges $1500 for the facility and $20 per meal.
Inside, Scotiabank Arena charges $1000 for the facility and $25 per meal.
a) Write an equation to represent the cost for Jurassic Park.
b) Write an equation to represent the cost for Scotiabank Arena.
c) Solve the linear system to find the number of guests for which the charges are the
same at both facilities.
d) What is the cost of both facilities in question “c”?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

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.