The value of the 9 in 901,532 is how many times the value of the 9 in 157,900?

NEED HELP!!!

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

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.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?