<(＿ ＿)> howa o hola (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧ una pregunta como ustedes harian lo sieguiente calculo el perimetro y area de un trapecio rectangular cuyas medidas son base mayor 138,57 m, base menor 106,84m, sus lados son 108,97m y 137,89m, con su altura de 108,67(. ❛ ᴗ ❛.)

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles