If arabella ran 7229 feet in 561 seconds how many mph did she run

You can find the constant of proportionality by finding the ratio of

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b. false