A water balloon was thrown from a window. The height of the water balloon over time can be modeled by the function =−++y equals negative 16 , x squared , plus 160 x plus 50. What was the maximum height of the water balloon after it was thrown?

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places