Jamel is asked to create triangles using three of four given sticks. the sticks measure 3 in., 6 in., 7 in., and 8 in. he creates these 4 triangles.
triangle 1: 3 in., 6 in., 7 in.
triangle 2: 3 in., 6 in., 8 in.
triangle 3: 3 in., 7 in., 8 in.
triangle 4: 6 in., 7 in., 8 in.

how many of his triangles are obtuse?
(a.)1
(b.)2
(c.)3
(d.) 4

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)