SON TRES EJERCICIOS DIFERENTES Y NECESITO AYUDA PARA CADA UNO SE LOS AGRADECERIA MUCHA GRACIA El resultado de operar (3x)(1/3 ab)
*El resultado de operar (x + y) (a - c)
*De 4 x^ 2 – 1 Restar x ^2 + 2 *

sorry i need the points

step-by-step explanation:

biuuyb i\

uygybg bsyvyuenrs

ufir7gyuuf6

y6fy

x = -5

step-by-step explanation:

6(h+1)/2=a

a=area

step-by-step explanation:

its the same thing as a square or rectangle but after multiplying two sides you need to divide it by two.

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.