When Mark completed his research paper, he decided that he wanted to have all headings to be in bold, underlined, and 14 points. Which keyboard combination could he use to make these changes at once?

The gene form of a trait is called a(n) 

Use a software program or a graphing utility with matrix capabilities to solve the system of linear equations using an inverse matrix. x1 + 2x2 − x3 + 3x4 − x5 = 6 x1 − 3x2 + x3 + 2x4 − x5 = −6 2x1 + x2 + x3 − 3x4 + x5 = 3 x1 − x2 + 2x3 + x4 − x5 = −3 2x1 + x2 − x3 + 2x4 + x5 = 5

Which two technologies support the building of single-page applications?