A Softball is thrown from a height of 20 feet at an initial velocity of 48 feet per second 1) Write the equation?
2) Find the height at t=3 second?
3) Find the vertex?
4) Find the axis of symmetry?
5) Find the time when it goes to the ground?
6) What is the maximum Height?
7) How long it takes to get to the maximum height?

Sammie has 3 times as many goldfish as nora. nora has 4 goldfish. how many goldfish do sammie and nora have in all?

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

Given the equation    = 5, solve for x and identify if it is an extraneous solution