Which expression has a value of 51?

50+(10÷5+5)

(50+10)÷(5+5)

50+10÷(5+5)

(50+10)÷5+5

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =