Afamily is carpeting two rectangular rooms. they chose carpeting that costs the same amount per square yard for each room. they calculated a cost of $400.00 to carpet their 12-foot by 15-foot bedroom. the dimensions of the living room are 21 feet by 18 feet. what is the cost of carpeting the living room?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

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?