A kangaroo in a single hop can reach a maximum height of 9 feet. The equation below can be used
to determine h, the height in feet of the kangaroo's
leap from the ground after 1 seconds.
h = -- 1612 + 241
How many seconds would it take for the kangaroo
to reach its maximum height from the ground?
A. 0.25 second
B. 0.75 second
C. 1.50 seconds
D. 1.75 seconds

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Math it's appreciated. (picture provided)