Me pretty

let p: the day is tuesday.
let q: the day is thursday.
let r: she comes to work.
which represents the statement
"only if the day is tuesday or thursday, then she comes to work”?

a. p ↔ (q ∧ r)

b. p ↔ (q ∨ r)

c. (p ∧ q) ↔ r

d. (p ∨ q) ↔ r

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees