The table below represents the closing prices of stock abc for the last five days. using your calculator, what is the equation of linear regression that fits these data?
a.
y = –0.295x + 20.667
b.
y = 0.289x + 21.459
c.
y = –0.311x + 19.213
d.
y = –0.272x + 22.319

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

Carly stated, “all pairs of rectangles are dilations.” which pair of rectangles would prove that carly’s statement is incorrect?