Solve the linear equations

-4x-5y=-4

4x+3y=4

what might you consider when deciding whether to use rounding or compatible numbers to estimate? explain

Is 0/8 greater than 8/8

Find all real numbers x such that |7x - 4| = 38

Peter attends 6 dance lessons each week all year long a year has 52 weeks peter missed 5 dance lessons while sick how many dance lessons did Peter attend during the year?

What is the median value of the data set shown below? 22, 23, 24, 25, 26, 40

Sasha has nickels and one dollar bills in her pocket. The number of nickels is nine more than three times the number of one dollar bills. Let 0 represent the number of one dollar bills. Write an expression for the number of nickels.

How do you find mass volume and density?

A book has a list price of $39.99, but the bookstore receives a 40% discount from the publisher. How much does the bookstore have to pay per copy of this book?

What is 60% of 33 ... ?

A candle is 6 inches tall and burns at a rate of 1/2 inch per hour. How tall will if be in 6 hours?