What are the buzz words in this sentence. samantha had 4 pencils her best friend gave her five more pencils how many pencils does samantha have in all?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

What is the inverse of the function f(x) = 2x + 1?