There are 12 third-grade students and 15 fourth-grade students in the band. They will travel to a concert in cars that can hold 4 students each. Which of
these can be used to find out how many cars are needed to drive the students?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)