Find the values of x for which the denominator is equal to zero for y=x^2/x^2+1 .

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i. e dependent variable) and identify the independent variable.