A DVD that originally cost $30 is on sale for 10 percent off. Complete the steps to solve the problem. Step 1: Find the amount of the discount.

($30.00)(0.10) =
Step 2: Subtract the discount from the original amount to find the sale price.

please help!!

What is sin 7x/4 ? i need on this urgent trig

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.

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?