Marissa bought 60 horns for her New years eve party for $83.40. She needs to purchase an additional 18 horns for the party at the same unit price. Complete the sentences below. Answer A: Marissa will spend $ for each horn.
Answer B: She will spend $ on the additional.
Answer C: she will have a total of horns.
Answer D: She will spend a total of $ on horns for the party.

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

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.