Randee invested $1,000 for college in an account earning 4% simple interest. When she withdrew the investment, she had earned a total of $520 in interest. How long was the money invested? Complete the explanation. Substituting into the formula I = Prt gives
= 1,000(
)t. Solving this equation gives a time of t =
years, which is how long the money was invested.

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Abcd is a square. what is the measure of angle bac

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?