Write the expression using a single exponent 2^2•2^8
a.4^10
b.2^10
c.4^16
d.2^16
i think it’s b but i’m not for sure

If tana tanb=k, show that(1+k)cos(a+b)=(1-k)cos(a-b)

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол