Which equation represents a proportional relationship between the x and y values?
a) y + 4 = 3x
b) y − 3x = 0
c) y + 5x = 6
d) y + 14x = 2

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2