Please help this is too hard

In right triangle xyz, the right angle is located at vertex y. the length of line segment xy is 12.4 cm. the length of line segment yz is 15.1 cm. which is the approximate measure of angle yzx? 34.8° 39.4° 50.6° 55.2°

Your family took a road trip on saturday you were in the car for 4.5 hours and average 70 mph. how many miles did you travel?

What percentage of the general u.s. population are high-school dropouts? the statistical abstract of the united states, 120th edition, gives the percentage of high-school dropouts by state. for convenience, the data are sorted in increasing order.