Lara is calculating the standard deviation of a data set that has 8 values. she determines that the sum of the squared deviations is 184.

what is the standard deviation of the data set?

round the answer to the nearest tenth.

Question 13 of 451 pointwhich statement correctly describes the inverse of the following function? a. it is negative. b. it is a horizontal shift. c. it is not a function. d. it is a function. give an explanation as to why you chose that answer. (i think its either a or d.)

Write the rational number in lowest terms 99/-15

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0