Sunita performed a transformation on trapezoid LMNQ to create L’M’N’Q’ as shown in the figure below: What transformation did Sunita perform to create L’M’N’Q’

Rotation of 90° counterclockwise about the origin

Rotation of 270° counterclockwise about the origin

Reflection across the X axis

Reflection across the line of symmetry of the figure

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

Charlie tosses five coins.what is the probability that all five coins will land tails up.