Phyllis invested $10,500, a portion earning a simple interest rate of 7 1 5 % per year and the rest earning a rate of 7% per year. After one year the total interest earned on these investments was $747.00. How much money did she invest at each rate?

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer