Select the correct answer. A machine assembly requires two pyramid-shaped parts. One of the pyramids has the dimensions shown in the figure. The other pyramid is a
scaled version of the first pyramid with a scale factor of 4. What is the volume of the larger pyramid?
N
6 units
2 units
3 units

Whats the name of the vertical axis

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.