Triangle XYZ is reflected across the x-axis to produce triangle X'Y'Z'. Then triangle X'Y'Z' is rotated 90° counterclockwise about the origin to create triangle X"Y"Z". If triangle X"Y"Z" has vertices X"(4, 0), Y"(2, −1), Z"(2, 1) what are the coordinates of the vertices of triangle XYZ?

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

98 point question what is the record for most points in one

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me