You’re working in the product development department of a large toy manufacturer. The two grids you’re working with will be laser cut and inserted into an interactive shapes game for toddlers

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

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?