The scores on a quiz are normally distributed. the mean of the quiz is 93 and the standard deviation is 4.2. by using the empirical rule, what scores fall 1 standard deviation from the mean? 88.8 and 97.2 84.6 and 101.4 89.2 and 96.8 89 and 101

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319