Mary is at least 40 years old. Her age is 13 years more than 3 times Henry’s age. Which inequality can be used to determine x, Henry’s age in years? Group of answer choices
1.x + 3 ≥ 40
2.13 + 40 ≥ 3x
3.3x + 13 ≥ 40
4.40 + x ≥ 13(3)

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.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?