Answer:
56 units
Step-by-step explanation:
add all numbers then divide by 5
30+45+50+75+80 = 280
280/5 = 56
4x / 5 = 1 / 3 ( 2x - 15 )
4x / 5= ( 2x - 15 ) / 3
4x × 3 = 5 ( 2x - 15 )
12x = 10x - 75
12x - 10x = - 75
2x = - 75
x = - 75 / 2
x = - 37.5
Answer:

Step-by-step explanation:
remember: tan(theta) = opposite/adjacent
Answer:
D. 25%
Step-by-step explanation:
45/180=0.25
0.25 into a percent is 25%