Base of isosceles triangle is 1/4 the length of one of its legs. the perimeter of triangle is 16, what is the length of the base.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.