Jalal has a hat collection. The ratio of baseball caps to cowboy hats in his hat collection is 12:13. Which ratio is
equivalent to 12:13?

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?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Nine more than four times a number is the same as one less than twice the number. find the number?