G(x)=2x+9

g(fill the blank)=15

answer in 5mins for brainliest

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.