The expression on the left side of an equation is shown below. 3(x+1)+9=_
If the equation has no solution, which expression can be written in the box on the other side of the equation?
O 3(x+4)
O 2(x+6)+X
O 4(x-3) - x
O 3(x+1)+ 9x

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?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers