Atree casts a shadow that is 20 feet in length. if the angle of elevation is 32 degrees, which of the following best represents the height of the tree?
a. 10.5 ft
b. 9.5 ft
c. 11.5 ft
d. 12.5 ft

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

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