Do the following without using a calculator: (a) -8x 3
(b) -72 ÷ (-9)
(c) -2 x 0
(d) (-3)²
(e) Find the value to complete this calculation : -7 x cubed = 28

-24

7777

7191

72

727

Step-by-step explanation:

hesence valu sjsfsi a kabaoa lava

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

25/6

step-by-step explanation:

you multiply 4 by the denominator (4*6=24) and add it to the numerator which makes it 25/6.