By what number should you multiply the 1st equation to cancel the x's using the elimination method? - 3x – 2y = 2
9x + 3y = 24

The answers are
6
-9
-3
3
Please help ion know wich one and I don’t want to fail the final week

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

Determine the equivalent system for the given system of equations: 5x − 3y = 6 x + y = 2

Astore has 20% off sale of pants. whith this discount , the pricw of one pair of pants before tax is $15.20. what was the original price of the pants?