Zack bought a coat for $69.78. He paid with a $100 bill and received $26.73 in change. How much was the sales tax?

What is the slope of the line described by this equation. 3y+2x=12

On Saturday, you catch insects for your science class. Five of the insects escape. The remaining insects are divided into three groups to share in class. Each group has nine insects. How many insects did you catch on Saturday?

Write the quadratic equation in standard form and then choose the value of "b." (2x - 1) (x + 6) = 0 - 4 11 12

If w = - 2 and v = - 8, which of the following expressions shows the values correctly substituted in for the variables in the expression w 2 - v + 1? A. - 22 - (-8) + 1 B. - 22 - 8 + 1 C. (-2) 2 - (8) + 1 D. (-2) 2 - (-8) + 1

How do you add the fractions 5/6 and 3/6?

What is a balanced equation using numbers 9,7,2,1,6?

Part of the population of 10,800 hawks at a national park are building a nest. A random sample of 72 hawks shows that 12 of them are building a nest. Estimate the number of hawks building a nest in the population.

Olivia has $220 to buy presents for her 3 sisters and 2 nephews. She wants to spend $10 more on each sister than she spends on each nephew.

Katherine is working two summer jobs, making $16 per hour lifeguarding and making $6 per hour walking dogs. In a given week, she can work a maximum of 15 total hours and must earn at least $160.

What is 0.002 1/10 of