19 find the perimeter of the figure.
4.5 cm
a 12.15 cm
b 13.3 cm 2.7 cm
c 15.3 cm
d 18.0 cm
3.4 cm
2.7 cm

What is the rule for reflection across the y axis

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?