What is the simplified value of the expression below? 4.2+0.6(divided)3-5(0.9-0.5)
O 2.4
O 3.6
O 4.3
O 6.4

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

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?

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?