Which of the following ratios forms a proportion

What kinds of numbers have an odd number of factors?

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year