In a randomized control trial for a new pharmaceutical treatment for depression, a control group is added to minimize the risk that the effectiveness of the treatment is caused by:

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Alarge cheese pizza costs $18. each topping you add on costs $1.50. how much would it cost to get a large cheese pizza with cc toppings added? write your answer as an expression