Which number is rational and a real number, but not an integer? A. 2
B. There is no such number.
C.
LON
D. -5

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?