In the given diagram, the points a, b, and c lie on a circle whose center is o. boc is a diameter of the circle. the following set of premises is relevant to the investigation of the given geometric diagram: i. the radii of a circle are of equal length. ii. angles opposite to equal sides of a triangle are equal. iii. the sum of the angles of a triangle is 180°. with reference to the diagram, which conclusion can be drawn correctly from the premises? a) ac = co b) oa + ob + ab > ∠bac c) m∠aco < 45° d) m∠bac = 90°

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

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.

Which one is the correct answer, and why?