You purchase a drink and a sandwich for $4.50. your friend purchases a drink and five sandwiches for $16.50. you want to determine the price of a drink and the price of the sandwich.

Don't know how to find x given these segment lengths

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

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7