Lana is 12 years old. Her sister is y years

old. Lana is twice as old as her sister.

How old is Lana's sister?

In a payday loan, which of the following happens at the date of loan maturity? A) borrower must pay off the loan B) lender cashes the check C) lender gives the borrower the cash D) borrower receives a paycheck

Simplify the expression - 9v-v

Which of the following is a fifth root of the given complex number. Choose all correct answers. 32 (cos (pi/3) + i sin (pi/3))

On a two week job, a repairman works a total of 70 hours. He charges $75 plus $40 per hour. And equation shows this relationship, where x is the number of hours and y is the total fee. Which number is the Y intercept?

How can I make a fraction problem out of 12 and 39

Toothbrushes are $4.00 each. there is a 10% discount but also 6% sales tax. What is the new price?

If f (x) = 2x-7, what is f (-2) ?

a boat going upstream at 4 mph then travels downstream at 10 mph. what is the rate of the boat in still water

At a pet store, the ratio of female birds to male birds was 7:4. Write a sentence explaining what this means.

Factor 5x^2a^2 - 19xa^2 - 4a^2. Show your work.