Evaluate z + z + z for x = 2, y = -3, z = -4.
12
-12
-9
-6

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?