A: the mean salary is $500.
400+500+600=1500/3=500
b: the median is $500 also.
Answer:
Already in standard form
Step-by-step explanation:
A quadratic equations standard form is ax^2 + bx + c. This equation is already in standard form.
ax^2 + bx + c
1/2 x^2 - 4x + 3
Answer:

Step-by-step explanation:
Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.
B =
= 
Use the tens.Try 30x80. 76 rounds up to 80 and 33 rounds down to 30.
9.014 , 9.789 , 9.991
Good luck