Find 2.1 x 32
Find 2.3 x 5.8
Find 7.5 x 23.4

69

Step-by-step explanation:

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1. 67.2

2.13.34

3. 175.5

Step-by-step explanation:

y - 4 = (9/4)(x - 4)

Step-by-step explanation:

Here we're given the slope (9/4) of a line and one point (4, 4) on the line.  The easiest form of the equation of a straight line to use here is the point-slope form:

y - k = m(x - h).

Here h = 4 and k = 4; the slope is m = 9/4.

Thus, the desired equation is

y - 4 = (9/4)(x - 4)