Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.
squares abcd and efgh share a common center on a coordinate plane, as shown in the figure. is parallel to diagonal .

the number of lines of reflection about which the combined figure can reflect onto itself is
.

For a school newspaper article, cienna conducted a survey to find out students’ favorite subjects. she polled all the students in mrs. lopez’s advanced dance class. why is her data likely to be skewed? honors dance students are more likely to enjoy dance than students in the general population, so dance may be overrepresented. cienna should have interviewed all the students in the school to get more accurate data. honors dance students are more likely to enjoy dance than students in the general population, so dance will be underrepresented. cienna should have interviewed only every other student in the class to avoid having too many people.

Write an explicit formula that represents the sequence defined by the following recursive formula:

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct