Answer:
A) a variable
Step-by-step explanation:
A) a variable a variable changes value 7 does not change
B) an expression does not have an equal sign 7 does not have an equal sign
C) a constant 7 is constant, it does not change
D) a term is a group of numbers and variables with no operators
Answer:
28...?
Step-by-step explanation:
Well, the question states that Martin has 28 basketball cards at the start of the question, and asks how many he has at the end. Martin still has 28 cards. Unless part of the question was cut, then this is your answer.
Factors of 15: 1, 3, 5, 15
<span>Factors of 45: 1, 3, 5, 9, </span>15, 45
<span>The Greatest common factor is 15.</span>
12 The least common multiple of 6 and 4 is 12