A rectangle has dimensions (x+8) and (x+6).
A rectangle A is cut from the larger
rectangle and the shaded area left is given
by the expression 6x +32.

Work out whether the rectangle A is a
square. Justify your answer.

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13

triangle abc is reflected on the line x=-6.5 then reflected again on the x axis

step-by-step explanation:

look at photo

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d