Find the value of - b/2a of the following quadratic.

f(x)=2x^2 + 2x – 4

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

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.