Who can solve for Y ? 2y < -4

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18