H(x)=(x^2)+1 and k(x)=-(x^2)+4. if k(h)=0, what are the roots/solutions?
a. ±i√3
b. ±i
c. ±2
d. ±1
e. ±1, ±i√3

What point is the projection of q on a) r b) s c) t

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.