A teacher will ask the first student that arrives to class to hand out papers, the second student to take attendance, and the last student to collect homework. If there are 16 students in the class, how many different ways can these class roles be assigned?

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

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