Which expressions are equal to 0 whenxa-1? check all that apply
4(x + 1)
4(x - 1)
4(x - (- 1))
(4x + 5)
4 (x + (-1))
(4x + 5)
4(x + 1)
(5 - 4x)

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f