Which fractions are equivalent to 40%? Check all that apply. 8/100
2/5
8/20
4/10
16/40

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .