Two systems of equations are given below. For each system, choose the best description of its solution.
If applicable, give the solution.

System A: y=6x
y=x

a.) The system has no solution.

b.) The system has a unique solution: (x, y) = (_,_)

c.) The system has infinitely many solutions.

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

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.

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)