Do you have a picture with the question?
Answer:
Step-by-step explanation:
If you expand an equation you get its equivalent expression
What vectors? do you have more info?
Answer:
a. 10 + 2.50x
b. 60
c. 100
Step-by-step explanation:
a. 10 + 2.50x
b. 10 + 2.50(20)
= 10 + 50
= 60
c. 260 = 10 + 2.50x
250 = 2.50x
250/2.50 = x
x = 100
65.52 will be the answer
Work: (10.4 * 12.6) ÷ 2