What is the value of the expression 10 5/8 - (1/2) + 2(4)? Which value is the coefficient in the following expression?
4x+3y=7
Which value is the coefficient in the following expression?
12a - 7 + 7a + 2b
If p = 6 and q = 7, what is the value of 2pq?
Which expression is equivalent to this expression?
1/2 (4x = 8)
Write an expression equivalent to
9(8x + 5)

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Step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have