PLEASEEE HELP Here are some pictures of circular objects, with the measurement tool shown. The measurement tool on each picture reads as follows

wagon wheel 3 feet
plane propeller 24 inches
sliced orange 20 cm

1. for each picture, which measurement is shown? Circumference? Diameter? Radius?
2. based on this information, what measurements could you estimate for each picture? Circumference? Diameter? Radius?

for the wagon wheel, the measurement of the ___ is shown. I could estimate the ___
2. for the plane propeller, the measurement of the ___ is shown. I could estimate the ___

for the sliced orange, the ___ is shown. I could estimate the ___ (2 answers for #6 the orange)

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

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.

Jennifer taking a quiz and has answered 13 questions so far. if there are 25 questions on jennifer test, how many questions does she have left to answer