What is the value of the expression shown below? 2 + (3 + 5)2 ÷ 4 ⋅ 1 over 2 whole to the power of 4 a 3 b 4 c 16 d 18

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

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500