Answer:
5y^2 + 10y + 5x^2
Step-by-step explanation:
there's only two like terms that can be combined.
Let x = # of Republicans
x + 4 = # of Democrats
x + x + 4 = 100
x = 48
48 + 4 = 52
There are 52 Democrats and 48 Republicans.
We will turn the left side into the right side.

Use the identity:



Now use the identity
solved for sin^2 x and for cos^2 x.




Answer:
63.51 m
Step-by-step explanation:
TOA
let o be the height of the building
tan31°=o/110m
0=110m tan31°
o=63.51m
Answer:
A unidimensional analysis of whether or not a significant difference exists between observed number of frequencies and expected number of frequencies is referred to as