If Bobby types 110 words in 2¾ minutes. At this rate, how many words can he type in 4¼ minutes?

Select all the correct locations on the image. select all the expressions that result in a product that is a rational number. mulitiple choice4/3 x 12/3 32/4 x 15/4[tex]\sqrt{\frac{3}{2} }[/tex] x 22/7[tex]\sqrt{11}[/tex] x 2/3

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

How do i do this activity, is appreciated