7. Write the number 0.21212121 ... as a fraction.

Let x =

100x =

100x - x =

99x =

x=

So 0.2121 ... is equal to

What property is illustrated by 45+19=19+45

Find the volume of the cylinder. Use 3.14 for pi. Round your answer to the nearest hundredth. 7cm 13cm a. 285.74 cm3 b. 2000.18 cm3 c. 142.87 cm3 d. 500.05 cm3

Jimmy's satellite radio bill is automatically deducting $15 from his bank account every month. How much will the dedication total for the year?

What is 3a-3 with grouping symbols?

How do I know where to put what?

Is the probability of (AnB) the same as P (A) x P (B) ? If not, how can P (AnB) be calculated?

Solve the equation for the given domain. Graph the solution set. 3x - y = 1 for x = {-1, 0, 1, 3}

This circle graph shows where students in two sixth-grade classes volunteer after school. Fifty students were surveyed. What percent volunteer at the animal shelter? Animal shelter: 11 Library:6 Nursing home:19 Hospital:14

3x-10+25+x+15=180 degrees

A shirt company has 4 designs each of which can be made with short or long sleeves. there are 6 color patterns available. how many different types of shirts are available from this company