1 penny has a mass of 4 grams and is 1.55 millimeters thick. How much mass will a stack of 20 pennies tall have?

An article valued $120 was increased by 12%. determine the new value

Sally has 50 pencils. 38% of them have stripes. How many have stripes?

Use the diagram above and round your answer to the nearest hundredth. If a is 6 in. and angle a = 31º, what is b?

Which expression has a value equal to the value of the expression 4 * (12+4) - (12:3)

How do you write 30 dollars in words?

4x + y = 3 x - y = 2 Which equation (s) best represent the * Second step * of solving the system above? A. 2x-x = x-7 B. 2xy - 7 = 2 C. 4 (2 + y) + y = 3 D. 4x + (-2 + x) = 3

Subtracting 3xy2 from 8xy2 gives the same result as the expression

Expand and simplify (x+9) (x-3)

The "box" and whisker plot represents what

3% scored a ball is dropped and bounce to a height of 5 feet. The ball rebounds to 7% of the previous height after each bounce. The function could be used to be model to admit term in the sequence of the heights of the ball after drop is