290707 Mark \((\checkmark)\) against the correct answer in the following:
\(\frac{1}{3}(\text{x}+7+\text{z})\) is a:

290722 Which of the following is an equation in a variable?

290616 How many variables are there in the expression 5x\(^{1}\) + 25xy?

290661 Solve: 7u = 21

290707 Mark \((\checkmark)\) against the correct answer in the following:
\(\frac{1}{3}(\text{x}+7+\text{z})\) is a:

290722 Which of the following is an equation in a variable?

290616 How many variables are there in the expression 5x\(^{1}\) + 25xy?

290661 Solve: 7u = 21

290707 Mark \((\checkmark)\) against the correct answer in the following:
\(\frac{1}{3}(\text{x}+7+\text{z})\) is a:

290722 Which of the following is an equation in a variable?

290616 How many variables are there in the expression 5x\(^{1}\) + 25xy?

290661 Solve: 7u = 21

290707 Mark \((\checkmark)\) against the correct answer in the following:
\(\frac{1}{3}(\text{x}+7+\text{z})\) is a:

290722 Which of the following is an equation in a variable?

290616 How many variables are there in the expression 5x\(^{1}\) + 25xy?

290661 Solve: 7u = 21