In △ABC, point M is the midpoint of AC, point D∈BM so that MD:DB=1:4. If ACMD=7ft^2 , find ABDC, AAMB, and AABC.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Write the equations in logarithmic form 9^4=6,561