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

Let x =

100x =

100x - x =

99x =

x=

So 0.2121 ... is equal to

Find the factor prime or composite 83

Where would you place the tic mark for the fraction 3/3 explain

A customer deposits $500 in an account that pays 4% annual interest. What is the balance after 3 years if the interest is compounded annually?

A group of roommates decide to split the cost of a new sofa. If s is the cost of the sofa and n is the number of roommates, the formula c = s/n determines each person's share of the cost.

Determine the quotient and remainder F (x) = 6x^4+12x^3+24x^2+ 23x+18 is divided by g (x) = 2x^2+2x+4

Explain how to simplify the expression (12m^5/15m) ^3 without raising each factor in the parentheses to the third power and next reducing the result.

A spherical water tank holds 7500 feet^3 of water. what is the diameter?

In ΔQRS, the measure of ∠S=90°, the measure of ∠Q=29°, and RS = 83 feet. Find the length of SQ to the nearest tenth of a foot.

2. A manufacturing company uses cylindrical storage tanks with a diameter of 40 ft and a height of 80 ft, as shown below. a. What is the volume of the storage tanks? Round your answer to the nearest cubic foot. Show your work. b.

Consider the conditional statement. What is the inverse of the contrapositive of this statement?