Can you make EXACTLY $20 by using a total of seven $1, $5, or $10?

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Find dy/dx using implicit differentiation ln(20+e^xy)=y