A seller slicedsome pizzas imto eights. after selling 57 slices 7 slices were left how many whole pizzas did the vendor slice? Answer Plz​

9

57+7=64 (no. of slices)

64 ÷ 7 = 9 R 1

phosphate, calcium ion, chloride ion, neon atom

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square