Which operation should be performed first according to the order of operations?

117 + 45 – 34 • 8 + 36 ÷ 12 – 12

a.
34 • 8

b.
36 ÷ 12

c.
117 + 45

d.
45 – 34

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.