Find the common difference or common ratio of the sequence -8.2,-8.4,-8.8?

D= -0.2
R= 0.2
R= -0.2
D= 0.2

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

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review