which pair of ratitos is equivalent? A. 2/8 and 8/16 B. 3/8 and 12/32 C. 9/16 and 3/4 D. 7/12 and 14/28​

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's