Afamily eats at a restaurant that is having a 15% discount promotion. their meal cost $78.65, and they leave a 20% tip. if the tip applies to the cost of the meal before the discount, what is the total price?

What is the product? (x2+3y+7) [yy+1)

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 is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?