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

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)