Which statements are correct regarding the properties of trapezoids? check all that apply.

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny