The world record for the most number of push-ups in 60 seconds is 140 push-ups. If the record holder completed the push-ups at a constant ratio of seconds to push-ups, how many push-ups did he complete in 45 seconds?

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

4+(2+x) can you me solve this problem