Which regular polygon can be used to form a tessellation? the sum of the measures of the angles of each polygon is given.

a) octagon; 1080°
b) nonagon; 1260°
c) triangle; 180°
d) decagon; 1440°

Danielle has $127.02 in her account before making any transactions. over the course of a week, danielle makes the following transactions: transaction debit ($) credit ($) birthday check 75.00 night out 66.14 garage sale proceeds 121.58 charitable donation 42.25 doctor’s appointment 115.30 at the end of the week, how much money is in danielle’s account? a. $99.91 b. $27.11 c. $184.41 d. $142.16 select the best answer from the choices provided a b c d

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Combine like terms to make a simpler expression 3z+z