Check all that apply:
vertical angles must

a. be a linear pair
b. have the same vertex
c. be adjacent
d. be congruent

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01

What is coefficient of the term of degree of degree 5 in the polynomial below