Astudent received a 75% on an exam. if there were 20 questions on the exam, which ratio would show the number of questions answered correctly to the total number of questions? a. 5: 20 b. 15: 20 c. 20: 15 d. 20: 5

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?