The complex solutions of which equation have a real component of 4? OA.
x2 + 8 + 16 = -21
OB. 2 + 4x + 4 = -25
OC. 2 - 4x + 4 = -25
OD.
2 – 8x + 16 = -21

An equation where variables are used to represent known values—function notation true or false

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?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling