a cone has a radius of 4.96cm and a volume of 120cm2. work out an estimate for the height of the cone.

How many grams must be adde to 970g to make 1 and a half kg

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?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie