A stack of pennies and dimes has a total value of $2.31. How many dimes are in the stack if there are twice as many dimes as pennies?

3.2*8.7*-1.1 show work

How must unit cubes be stacked when used to measure volume?

Physicist use models to work out the pressure inside an aeroplane. The length of a model aeroplane is 16 cm and the length of the real aeroplane is 60 m. Work out the ratio of the length of the model to the real aeroplane ...

Add these fractions, giving your answer in simplest form. 1 1/4 + 1/2

What do the three red tiles in the model of the equation below represent? 2 long x tiles and 3 square 1 tiles = 3 negative x tiles -3 3 -3x 3x

A flower bed in the shape of a triangle with one side twice the length of the shortest side and the third side is 24 feet more than the length of the shortest side find the demons ions if the perimeter is 128 feet

Select the best answer for the question. 2. Lavina wants to buy a rocking chair for $160. She'll pay 10% down and pay the rest in six monthly installments. What will be the amount of each monthly payment? A. $16 B. $26 C. $27 D. $24

How many times larger is the rectangular prism than the cube? A. 6 B. 4 C. 30 D. 2

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8

Which statement is true about f (x) = square root x