Jennifer cut a length of rope into two pieces. one piece was 2 feet 9 inches long, and the other piece was 3 feet 5 inches long how long was the rope before it was cut?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4