Which equation has no solution? a) 15x + 12 3 = 5x + 4 b) 8 − 4x 10 = 4 + 2x c) 4x − 20 2 = 2x − 10 d) 15x + 5 3 = 5x + 6

2men and 7 boys can do a piece of working 4 days.it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

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 distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4