Which figures can be precisely defined by using only undefined terms? check all that apply. a. angle b. arc c. circle d. line segment e. parallel lines

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup