A school is organizing a field trip and needs to order buses. Each bus can hold 42 students and costs $275 to rent.(a) If there are 195 students, how many buses are needed?(b) What is the total cost for renting the buses?(c) If the cost is shared equally among all students, how much does each student need to pay?

Knowledge     What is the radius of the circle x2 + y2 = 7

Application     Calculate the length of the median from point A to midpoint of BC of the triangle A(2, -2), B(-4, -4), and C(0, 4).

Thinking     Find the shortest distance from (5, -1) to the line

Arterial blood flow is under_____ pressure and will_____ over a considerable distance, whereas veins generally are under________pressure causing the blood to ____________

Knowledge     Find the midpoint of AB if A(5, -7) and B(11, 2).

Find the midpoint of the line segment joining (−3, 4) and (5, −6).

Which of the following is used to detect blood at a crime scene?

Which of the following is a method used to determine the direction of blood spatter?

Determine the distance between the points (2, -1) and (-4, 5).