What is 10n + 2n +9 i don't know that me

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab