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Q: Use the product of a sum and a difference to evaluate the expression 31 times 29?

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The answer to the product of a and b divided by an expression that is 3 times their difference is 3ab(a+b).

It means: 1/10 times 3.7 = 0.37

If x is 4 then 34.5x evaluates to 34.5 times 4 = 138

It would be: 3(7-d) as an algebraic expression

2(-6n)

7/ 3/

14

The expression is 3|t - y|.

|5n - 2n|

pnis

The difference of thirteen times a number and four.

There is no variable in (8x12)+8, so it would be called an arithmetic expression. It would evaluate to 96+8 = 104.

Multiplicand times multiplier equals product. If the expression includes a variable, the numerical factor is the coefficient.

Multiplicand times multiplier equals product. If the expression has a variable, the numerical factor of the variable is the coefficient.

It is 8*(-4)N which is -32N

It is simply: 9c which means 9 times c

It appears that the question is incomplete and so cannot be answered. There should be a number (or variable) after "minus".

It can be expressed as: 2x-6

abs(8x - 7)

i think it might be 21.

0.8 x 12 = 9.6

y=4*(-8*x)

Multiplicand times multiplier equals product. If the expression includes a variable, the numeral is the coefficient.

10*abs(d - 3)

4(7-1)