Question 6 of 6 Use the guess and check method to solve this problem.
Blue cassettes hold 45 minutes of music. Green cassettes hold 55
minutes of music. If Niko has 14 cassettes containing 710 minutes
of music, how many are blue, and how many are green?
A. 6 blue cassettes and 8 green cassettes
B. 3 blue cassettes and 11 green cassettes
C. 4 blue cassettes and 10 green cassettes
O D. 5 blue cassettes and 9 green cassettes

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

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.

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a