Un círculo tiene un área de 78.5 cm ^ 2. ¿Cuál ecuación permite conocer la medida de su radio (r)?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Which expression is rational? 6. , square root two, square root 14, square root 49

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)