Answer:
D 90
Step-by-step explanation:
x/4 ≥ 20
Multiply each side by 4
4*x/4 ≥ 20*4
x ≥ 80
The only number greater than or equal to 80 is 90
Answer: 0.14
Step-by-step explanation:
1) Find the total #of seniors. To do this add up 25+5+5 = 35.
2)Since we know the number of seniors that work just do 5/35. This simplifies to 0.14 rounded to the nearest hundreth.
Answer: <em>one solution.</em>
Step-by-step explanation:

<em>This equation has one solution: x = 6.</em>
Answer:
7
Step-by-step explanation:
Substitute the value of the variable into the expression and simplify