Construction workers build 54 feet of a bridge each day for 9 days. To determine whether the bridge is at 490 feet long, can you use an estimate, or is an exact answer required? Explain

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.