Use the grouping method to factor the polynomial below completely. -32 + 5x - 15
A. (22+5)(x-3)
B. (12 - 3)(x+5)
C. (+3)(x-5)
D. (- 5)(x+3)

Restrictions on f(x) = 1/x+5 and g(x) = x-2

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.