One number is 2 times another number plus 3. their sum is 21. find the numbers. if x represents the smaller number, which of the following equations could be used to solve the problem? 2x + 3 = 21 3x + 3 = 21 3x + 6 = 21

Is the orthocenter of a triangle on the inside ?

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.

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)