c. 3
Step-by-step explanation:
BC||AD so <CBD=<BDA
15x+2=9x+20
15x-9x=20-2
6x=18
x=3
b. 13
step-by-step explanation:
as there are 13 students in bowling class therefore the most reasonable answer is b as only 13 students are in the bowling class.
what grade level is this? need to know so i can look in my old textbooks!