Match each diagram to one of these expressions: 1. 3 + 7
2. 3 - 7
3. 3+ (-7)
4. 3- (-7)

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

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

Evaluate the expression. (9 + 5)(3 + 2)0