Which of these systems of linear equations has an infinite number of solutions? 3 x minus 8 y = 21. 6 x minus 16 y = 46. 3 x + 6 y = 22. 6 x + 12 y = 44. 5 x + 7 y = 24. 10 x minus 14 y = 48. 5 x minus 9 y = 20. 10 x + 18 y = 40.

2,600 divided by 80 = 32.5

step-by-step explanation:

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

step-by-step explanation:

10

step-by-step explanation: