What are two numbers that round to 6,000

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?