A) n-20
b.)30=1/2n+1/2
c.)2/3n=30
d.)5n=90
e.)M•3+4=49
Answer:
18
Step-by-step explanation:
6x5=30
2x8=16
8x1/2=4
30-16=14
14+4=18
B.6 because the length is equal to the length of the other 6
Answer:
8.0
Step-by-step explanation:
The triangle is a right triangle, so we are able to use trigonometric functions. Relative to the angle of 37°, we have the opposite side which is 6 and the adjacent side which is x. The trig function that uses the opposite and adjacent is tangent(SohCahToa). We can set up the following equation:

tan(37) evaluates to about , so we can plug it in and solve for x:

To the nearest tenth, x rounds to 8.0.