Write the following in expanded notation : 8,325 how would you explain this to a friend?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

The half-life of iodine-131 is approximately 8 days. find the amount of iodine-131 left from a 42 gram sample after 16 days. a: 10.5 grams b: 21 grams c: 0.0006 grams d: 34 grams