Which pair of expressions is equivalent using the associative property of multiplication?
5(3a ⋅ 4) = 15a ⋅ 20
5(3a ⋅ 4) = (3a ⋅ 4) ⋅ 5
5(3a ⋅ 4) = (5 ⋅ 3a) ⋅ 4
5(3a ⋅ 4) = 5 ⋅ 3a ⋅ 4

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Plz. yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply