Pleas help me i neeed it is it caculus i am smart but a little confused if u type but no help u get ban For problems 14 – 21 determine all the roots of the given function. y
(
t
)
=
40
+
3
t
−
t
2
f
(
x
)
=
6
x
4
−
5
x
3
−
4
x
2
Z
(
p
)
=
6
−
11
p
−
p
2
h
(
y
)
=
4
y
6
+
10
y
5
+
y
4
g
(
z
)
=
z
7
+
6
z
4
−
16
z
f
(
t
)
=
t
1
2
−
8
t
1
4
+
15
h
(
w
)
=
w
4
w
+
5
+
3
w
w
−
8

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?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me