Music magic offers live streaming for $9.99 a month, with downloads at $0.50 a song. you have $30 a month budgeted for this service. the equation 0.5s + 9.99= 30 describes the situation. the solution to this equation is s=40.02. explain what this means in terms of service.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Which graph depicts the path of a projectile