an arts academy requires there to be 6 teachers for every 108 students and 4 tutors for every 44 students. how many students does the academy have per teacher? per tutor? how many tutors does the academy need if it has 132 students?

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

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

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?