A=35 , b=11, c=10 find the area

a. 90.1ft^2
b. 45.1ft^2
c. 31.5ft^2
d. 11.2ft^2

What is the area of the trapezoid shown ?

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.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need