Triangle s r q is shown. angle s r q is a right angle. an altitude is drawn from point r to point t on side s q to form a right angle. the length of s t is 9 and the length of t q is 16. the length of r t is x. what is the value of x? 12 units 15 units 20 units 25 units

The parabola opens: y=√x-4 (principal square root) up down right left

Identify the graph of y = ln x + 1.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0