HELP. 4 Select the correct answer from each drop-down menu. Complete the following statements. was discovered by Alexander Fleming in 1928. It is an drug that fights infection-causing bacteria. For the first one they are
1. vaccines
2.Penicillin
3.Infections
For the second one they are
1. Infectious
2.antibiotic
3. Vaccination

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

How far is x from 5 on a number line?

Which of the following expressions are equivalent ?