Eastimate each product or quotient

2,742 x 7

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)