The cost to mail a letter with the United States Postal Service is calculated by the weight of the letter in ounces and is given by
the equation c -0.21(x - 1) +0.50. What does the value 0.50 most likely represent?

A)The cost, in dollars, to mail a one ounce letter
B)
The cost, in dollars, to mail an additional ounce.
C)The average weight, in ounces, of a letter.
D)The total weight, in ounces, of a letter.

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

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.

Consider the enlargement of the pentagon. what is the value of x, rounded to the nearest tenth? 2.1 centimeters 3.3 centimeters 7.0 centimeters 15.0 centimeters