Answer:
f(x)= 2x^4 - x^3=24 -18x^2 + 9x= 45 45-24=21
Step-by-step explanation:
just multipkye that
Answer:
Value of x is 90°
Step-by-step explanation:
Why?Imagine it as a shape of circle.
Circle has a measurement total of 360°
Semi cirlcle(half of the circle) is equivalent to 180
Now,
The bottom semi circle has a 146°
The top has a 56°
You can simply compute it by subtracting them.

B...because there is no y intercept because of the 0,0 then you just turn the other one into a fraction and because the 1 is negitive the fraction is negitive
a
2
+
10
a
+
25
Rewrite
25
25
as
5
2
5
2
.
a
2
+
10
a
+
5
2
a
2
+
10
a
+
5
2
Check the middle term by multiplying
2
a
b
2
a
b
and compare this result with the middle term in the original expression.
2
a
b
=
2
⋅
a
⋅
5
Answer:
-3/5
Step-by-step explanation: