If Ralf can bike in 45 kilometers in 3 hours, what will be his average rate of biking A.9 kilometers/h
B.12 km/h
C.15 km/h
D.20 km/h​

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?