The sum of my digits is 11 when rounded to the nearest hundred i am 500 rounding to the nearest ten makes me 530

what number am I?

Which congruence statement says the same thing as triangle ABC is congruent to triangle DEF? ACB = DFE is the answer. but could you explain how these are the same?

In a large bag of marbles 40% of them are red the child chooses 4 marbles from the bag. If the child chooses the marbles at random, what is the chance that the child gets exactly three red marbles

Use the binomial series series to expand the function as a power series. 3 / ((6+x) ^3)

Brandon's plant grew 4 and 3/4 cm last month. Jake's plant grew 2 and 2/5 cm last month. Care's plant grew 5 and 1/2 cm last month. What is the combined height that all of their plants grew last month?

Would the mean or median best describe the given data. Explain your choice. 14, 17, 25, 15, 20, 18, 41

If Julie needs 3 and 1/4 cups of oatmeal how many 1/4 cups of oatmeal will she use

Write an algebraic Expression for three more cookies than are in the jar

Is x=-7 an equation that describes a function

Arnold's entire workout consisted of 10 minutes of warm up exercises 25 minutes of lifting weights and 15 minutes on the treadmill what was the ratio of the number of minutes he lifted weights to the total number of minutes of his entire workout

Lines a and b are perpendicular. The equation of line a is = 13+3 y = 1 3 x + 3. What is the equation of line b?