Answer:
1a: f(-2) means substituting -2 for x
1b: 65
I don't know the second one
Sort{17} which equals 4.123
Answer:
x = - 45
Step-by-step explanation:
x+23(-23)=−22 (-23)First subtract 23 from both sides
x = - 45
5.6 is the correct answer because 1.3 +4.3 would be 5.6 so the next one in the sequence is 9.9
Number of possible combinations = (4x3) ÷ 2 = 6
Answer: There are 6 possible combinations.
