Illiana is painting a picture. she has green, red, yellow, purple, orange, and blue paint. she wants her painting to have four different colors. if order does not matter, in how many was can she pick four colors if green must be one of them?

One integer is 8 times another. if the product is 72, then find the integers

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.