The tables show proportional relationships between x and y. Match each table with its constant of proportionality. x y 1 10 2 20 3 30 x y 4 20 8 40 12 60 x y 2 15 4 30 6 45 x y 1 4 2 8 3 12 4 arrowRight arrowRight 10 arrowRight 5 arrowRight

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias

Maria has $10,000 to invest in two accounts.he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?