1. Which expression can be factored into the form (ax + b)(ax - b), where a and b are rational numbers?
4n2 - 81
2n2 - 49
2n2 + 49
4n2 + 81

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. a group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the united states. of those sampled, 11 of the men and 19 of the women did believe that sexual discrimination is a problem. if the p-value turns out to be 0.035 (which is not the real value in this data set), then at = 0.05, you should fail to reject h0. at = 0.04, you should reject h0. at = 0.03, you should reject h0. none of these would be a correct statement.