Answer:

Step-by-step explanation:
Quadratic Formula: 
√-1 is imaginary number i
Step 1: Define
y = -3x² + 4.5x - 20
a = -3
b = 4.5
c = -20
Step 2: Substitute and Evaluate







What you have to do is take the cube root of eight and 1000 and get your answer. The answer would be 2/10.
Answer:
a. 
b. 
Step-by-step explanation:
a. 
A mixed fraction of the form 



b. 
A mixed fraction of the form 




Hence, the answer.
Answer:
A
Step-by-step explanation:
If x is the number of shirts you multiy by 15. 2.25 is the additional cost