You have $80 and your brother has $275 dollars. you save $10 of your allowance each week. your brother spends his allowance plus $15 each week.

1. write an equation to model this.

2. how long before you have as much money as your brother?

3. how much have you saved when you catch up to him?

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Write the expression as a single natural logarithm. 2 in a - 4 in y

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?