Preston has $40 in a savings account that earns 5% interest per year. The interest is not compounded. How much interest will he earn in 1 year?

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?