Answer: 1st one
Step-by-step explanation:
Answer:
<h2>f(-2) = 12.5</h2>
Step-by-step explanation:

f(-2) → put t = -2 to the equation of the function:

Use 

Answer: The answer would be C, I hope this isnt wrong so sorry if it is.
Step-by-step explanation:
Hello there!
Soo..to convert a number from standard notation to scientific notation you first have to write a decimal point in the number so that there is only one digit to the left of the decimal point. Sooo for example if u had 240,000 you would put the decimal after the 2 (2.40000)
Hope this helped and have a great day!!
Goodluck (:
X + y= 55
x - y= 9
y = 23
x = 32
the numbers are 23 and 32