Simplify sec^2(t) / sec^2(t)-1 to an expression involving a si for trig function with no fractions.

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?