Which expression is represented by the diagram? Twelve columns of six x marks each are bracketed into 4 groups of 3 columns each. 72 × 4 24 × 6 72 ÷ 6 72 ÷ 4

Let r = 3. what is the value of r + 58?

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels