For each 13 mm of coloured fabric Gordon uses to make his curtains, he also uses 1 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest
form.

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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.