From expressions using t and 4. Use not more than one number operation. Every expression must have t in it.

From expressions using y,2 and 7. Every expression must have y in it. Use only two number operations. These should be different.

Express as km using decimals. (a) 8 m

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: Subtraction of z from y.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: One-fourth of the product of number p and q.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: One-half of the sum of number x and y.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: Sum of numbers a and b subtracted from their product.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: The number z multiplied by itself.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: Numbers x and y both squared and added.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: Product of numbers y and z subtracted from 10.

Make up as many expressions with numbers (on variables) as you can from three 5,7 and 8. Every number should be used not more than once. Use only addition, subtraction and multiplication. (Hint: Three possible expressions are 5+(8-7), 5-(8-7),(5×8)+7, make the other expressions.)