If 30% of this energy is bound by the xenon nucleus, 30% of this energy is bound by the strontium nucleus, and 1% is bound in each free neutron, how much energy is released in this reaction ?

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?

Ihave trouble finding the nth term of a linear sequence

Solve the system of equations y= 3/2 - 1, -x+ y =-3