The original price of a pair of headphones is $89.99 before tax. When Brenda bought the headphones they rang up for $49.50 before tax. She then paid sales tax of 8% on the discounted price. Part A: What is the percent discount on the headphones? Show all work and steps in your solution. (5 points) Part B: What is the total amount that Brenda paid for the headphones including tax? Show all work and steps in your solution. (5 points)

The system of equations graphed below has how many solutions?

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation