How could you check the answer to 27 – 15 = 12 using addition? a. 12 + 15 = 27 b. 15 – 12 = 27 c. 27 + 15 = 12 d. 27 + 12 = 15

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers