The cost, not including tax, of paper and pens

at the card store is $21.79. The tax is 9% of

the selling price. What is the total cost of the

pens and pencils including tax?

A wave on a rope has a wavelength of 2.0 m and a frequency of 2.0 Hz. What is the speed of the wave?

1) - 53 + 8x = 3x + 47

Which of the following quantities are directly proportional: The area of a rectangle and its length, if its width is 6 cm.

Alice made $1,245 one summer. She spent $120 on a new bike. She spent twice as much on a plane ticket to New York as she spent on her bike. How much money did Alice have left?

Write the slope intercept form

To solve the inequality StartFraction m over negative 7 EndFraction less-than-or-equal-to 14, what should be done to both sides? Divide both sides by 14. Divide both sides by - 7. Multiply both sides by 14. Multiply both sides by - 7.

How to figure out 2.73+0.003+0.158

What is the volume of a cylinder to the nearest whole number? r=7.5 h=20

Evaluate the expression for y=-14

Lyndale has 27 fewer fish than jack. jack has 80 fish