Pls help it's a redo assignment a. 2 1/2 x 3 1/3
b. 4/9 x 2 1/4
c 3 1/4 x 1 1/2
d. 7 1/5 x 1 1/3
e 6 1/3 x 1/2
f 4 1/5x 20
g 3 x 2 2/3
h 2 5/6 x 1 3/5
i 15 x 1 1/3

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn. what is the fraction of total chicks in outdoor pens?