An observer (o) spots a plane flying at a 55° angle to his horizontal line of sight. if the plane is flying at an altitude of 21,000 ft., what is the distance (x) from the plane (p) to the observer (o)? a right triangle is shown with angle o marked 55 degrees, hypotenuse marked x and the height marked 21000 feet.

If the discriminant if a quadratic equation is 4 which statement describes the roots?

In the diagram, gef and hef are congruent. what is the value of x

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.