Which sequence of transformations is considered to be a similarity transformations? a) translation followed by a rotation b) rotation followed by a reflection c) reflection followed by a rotation d) reflection followed by a dilation

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Evaluate the expression for the given value of the variable 7a - 4a for a =8