Match each mathematical description with its algebraic expression. Drag the tiles to the correct boxes. Not all tiles will be used.
Tiles
2x + 11
2x - 11
12x + 111
x211
Pairs
the absolute value of twice a number increased by 11
the square root of the difference of the square of a number and 11
the quotient of two times a number and -11
the sum of the square root of two times a number and 11

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?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position