How much cheaper per ounce is purchasing 6 ounces for $6.72 compared to purchasing 3 ounces for $3.48

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?