Cubes with side length 5 cm are made out of five different materials. The mass of each cube is shown. For which cubes is the density less than 1 g/cm3?

What is the area of the trapezoid shown ?

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3