What is the quotient of 7a/9bc ÷ 21a/12b

A. 4/3c
B. 4/9c
C. 3/4c

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52