If the two lines x+y=5 , kx+2y=0 are parallel then k=

answer: 25.4 units

step-by-step explanation: radius = 12.7 units

diameter = twice the radius

diameter = 12.7 x 2

= 25.4

4th option is correct xy=-10

if this was to u plzz mark me the brainliest

step-by-step explanation:

graph using a few selected

x         y

-1       15

0         6

1         2.4

2       0.96

  answer:

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