The ratio 400g : 1kg can be written in the form 1 : n find the value of n

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.

Can someone me with the property questions for 12 13 and 14 plz

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?