Which of the following is equivalent to the expression below?

(a²-2b²+3) - (4b²+5) + (3a²+4)

A: 4a²-6b²+12

B: 4a²-6b²+2

C: 4a²+2b²+2

D:4a²+2b²+12

6,500 cL = how many L

Each year a store decrease the price of a certain model of a TV by $35 if the price in 2001 was $1950 what is the price in 2009

Which statement is TRUE? A) A sample includes all of the individuals or units of the group. B) A random sample may represent the population. C) A characteristic of a population is called a statistic.

Solve |x-4|+3=3. Then explain your result that you discovered. How many solutions did you get and why?

If the probability that a person will die in the next year is 452/1000,000, what is the probability that the person will not die in the next year? a. 99% b. 0.00452 c. 99548 d. 0.99548

Why is 4 a natural number?

Students at university x must be in one of the class ranks, freshman, sophomore, junior, or senior. at university x, 35% of the students are freshmen and 30% are sophomores.

Assume that your production line has a quota of 10 units per day at $25.00 per unit an your line meets its quota

The equation f = v at represents the final velocity of an object, f, with an initial velocity, v, and an acceleration rate, a, over time, t. Which is an equivalent equation solved for a?

Class 10R sat a test. The mean mark of the class was 70%. There are 30 students in class 10R, 20 of whom are boys. The mean mark for the boys in the test was 62%. Work out the mean mark for the girls.