The number of bacteria in a petri dish on the first day was 252 cells. If the number of bacteria increase at a rate of 57% per day, how many bacteria cells will there be after 7 days?

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

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.

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?