Approximate or round of to the nearest whole number- 11 and 1/6

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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 california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.