Acompact disc is designed to last an average of 4 years with a standard deviation of 0.8 years. what is the probability that a cd will last less than 3 years?

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Evaluate the expression for the given value of the variable 7a - 4a for a =8