In 1991, an american, ann trason, set a world record by running 1000 km in 7 hours, 50 minutes, and 9 seconds. which is the best estimate of her average speed? (hint: think rate)
a. 12 km per hr
b. 14 km per hr
c. 18 km per hr
d. 16 km per hr

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?