In ΔOPQ, \text{m}\angle O = (2x-5)^{\circ}m∠O=(2x−5) , \text{m}\angle P = (3x-8)^{\circ}m∠P=(3x−8) , and \text{m}\angle Q = (10x-17)^{\circ}m∠Q=(10x−17) . What is the value of x?x?

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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