Figure ABC is similar to DEF. 12
7
Which proportion must be true?
оа
FD
BC
AB
DE
Ob
BC
FD
AC
o
CA
D
Od
AB
BC

Pick the description of a geometric object that best matches the real world object box for a deck of card

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?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.