9 ten thousandths scientific notation

What rule is the sequence 50, 40, 30, 20, ... using? A) start with 50 and then add 10 repeatedly B) start with 50 and then add - 10 repeatedly C) start with 20 and then add 10 repeatedly D) start with 50 and then add multiples of 10 repeatedly

A group of students go out for lunch. If two have hamburgers and five have hot dogs, the bill will be $8.00. If five have hamburgers and two have hot dogs, the bill will be $9.50. What is the price of a hamburger?

Find area of the triangle.

In your opinion, what is the easiest method to use to factor and solve a quadratic function? What is the most challenging?

What is the probability that the mean time for the sample of 100 returns is between 88 minutes and 92 minutes?

The real number 8.09 belongs to which set of number A. natural numbers B. irrational numbers C. integers

8. 72 is what percent of 45?

Let f (x) = x^2 - 2x + 2 and g (x) = x - 3. find f (x) times g (x)

A survey found that 9 out of 100 people are left-handed. On the basis of this survey, how many people in a group of 8000 are likely to be left-handed? A. 900 B. 800 C. 720 D. 72

If 80% of an item is $200.00 what is the original cost