Amidwestern music competition awarded 38 ribbons. the number of blue ribbons awarded was 3 less than the number of white ribbons. the number of ribbons was 2 more than the number of white ribbons. how many of each kind of ribbon was awarded?
how many white ribbons were awarded?
how many blue ribbons were awarded?
how many red ribbons were awarded?

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.